{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "id": "arar",
      "geometry": {
        "type": "Point",
        "coordinates": [
          5.4168233347046275,
          47.154259198131285
        ]
      },
      "properties": {
        "id": "arar",
        "name": "Arar · Saône",
        "zh": "阿拉尔河／索恩河",
        "pleiadesId": "167652",
        "groups": [
          1
        ],
        "loci": "DBG 1.12",
        "note": "River representative point; neither a ford nor the attacked column is located by it.",
        "noteZh": "河流代表点；不代表渡口或遭袭队伍的位置。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/167652",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "bibracte",
      "geometry": {
        "type": "Point",
        "coordinates": [
          4.035592329485176,
          46.92582608902465
        ]
      },
      "properties": {
        "id": "bibracte",
        "name": "Bibracte · Mont Beuvray",
        "zh": "比布拉克特／博夫赖山",
        "pleiadesId": "177473",
        "groups": [
          2
        ],
        "loci": "DBG 1.24–25",
        "note": "Preferred oppidum identification. Caesar locates the battle in its vicinity, not at the city point.",
        "noteZh": "首选城址对应；战场在附近，不能由城址点直接确定。",
        "sources": [
          "pleiades",
          "bibracte"
        ],
        "status": "site",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/177473",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places",
          "https://www.bibracte.fr/en/excavation-history"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "ariovistus",
      "geometry": null,
      "properties": {
        "id": "ariovistus",
        "name": "Battle with Ariovistus",
        "zh": "阿里奥维斯图斯之战",
        "pleiadesId": null,
        "groups": [
          3
        ],
        "loci": "DBG 1.52–53",
        "note": "The course names the Vosges/Ochsenfeld setting. An exact battlefield coordinate has not been established in this atlas.",
        "noteZh": "课程提及孚日／奥克森费尔德地区；此图集未确定战场精确坐标。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "axona",
      "geometry": {
        "type": "Point",
        "coordinates": [
          4.28420593143143,
          49.32182903864024
        ]
      },
      "properties": {
        "id": "axona",
        "name": "Axona · Aisne",
        "zh": "阿克索纳河／埃纳河",
        "pleiadesId": "108779",
        "groups": [
          4
        ],
        "loci": "DBG 2.9–10",
        "note": "Watercourse context only; the gazetteer point does not identify Caesar’s bridge or camp.",
        "noteZh": "只表示河流背景；代表点不定位凯撒的桥梁或营地。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/108779",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "sabis-selle",
      "geometry": null,
      "properties": {
        "id": "sabis-selle",
        "name": "Sabis · Selle hypothesis",
        "zh": "萨比斯河：塞勒河假说",
        "pleiadesId": null,
        "groups": [
          5
        ],
        "loci": "DBG 2.21–25",
        "note": "Preferred working hypothesis for comparison: the Selle argument in published research. No surveyed battlefield coordinate is supplied.",
        "noteZh": "采用已发表研究的塞勒河说作为比较首选；未提供经过测量的战场坐标。",
        "sources": [
          "sabis"
        ],
        "status": "unlocated",
        "alternatives": [
          "sabis-sambre"
        ],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": [
          "https://www.persee.fr/doc/rbph_0035-0818_1977_num_55_1_3132"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "sabis-sambre",
      "geometry": {
        "type": "Point",
        "coordinates": [
          4.162328709687096,
          50.2847265934262
        ]
      },
      "properties": {
        "id": "sabis-sambre",
        "name": "Sabis · Sambre alternative",
        "zh": "萨比斯河：桑布尔河另一说",
        "pleiadesId": "109299",
        "groups": [
          5
        ],
        "loci": "DBG 2.21–25",
        "note": "The course calls the river Sambre and the retained gazetteer describes a possible Sambre identification. This alternative is shown alongside the Selle argument, not resolved as fact.",
        "noteZh": "保留课程的桑布尔河表述；地名库也标为可能对应。与塞勒河说并列比较，不视为定论。",
        "sources": [
          "pleiades",
          "sabis"
        ],
        "status": "hypothesis",
        "alternatives": [
          "sabis-selle"
        ],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/109299",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places",
          "https://www.persee.fr/doc/rbph_0035-0818_1977_num_55_1_3132"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "atuatuci",
      "geometry": null,
      "properties": {
        "id": "atuatuci",
        "name": "Atuatuci oppidum",
        "zh": "阿图阿图基人的城堡",
        "pleiadesId": null,
        "groups": [
          6
        ],
        "loci": "DBG 2.30–32",
        "note": "The oppidum’s exact identification remains a research question here. It is not the same spatial question as the later Atuatuca camp.",
        "noteZh": "城堡位置在此保留为研究问题；不同于后来的阿图阿图卡营地。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "octodurus",
      "geometry": {
        "type": "Point",
        "coordinates": [
          7.073918,
          46.100848
        ]
      },
      "properties": {
        "id": "octodurus",
        "name": "Octodurus · Martigny",
        "zh": "奥克托杜鲁斯／马蒂尼",
        "pleiadesId": "167859",
        "groups": [
          7
        ],
        "loci": "DBG 3.1–2",
        "note": "Settlement context in the Rhône valley; not an outline of Galba’s camp or the fighting.",
        "noteZh": "罗讷河谷聚落背景；不代表加尔巴营地或交战范围。",
        "sources": [
          "pleiades"
        ],
        "status": "site",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/167859",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "veneti",
      "geometry": null,
      "properties": {
        "id": "veneti",
        "name": "Venetic sea battle",
        "zh": "威尼提海战",
        "pleiadesId": null,
        "groups": [
          8
        ],
        "loci": "DBG 3.14",
        "note": "The course’s Quiberon Bay association is a regional setting. No precise ancient anchorage or battle track is plotted.",
        "noteZh": "课程关联基伯龙湾地区；不绘制精确古港锚地或战斗航迹。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "aquitania",
      "geometry": {
        "type": "Point",
        "coordinates": [
          0.5,
          45.5
        ]
      },
      "properties": {
        "id": "aquitania",
        "name": "Aquitania",
        "zh": "阿基坦地区",
        "pleiadesId": "138187",
        "groups": [
          9
        ],
        "loci": "DBG 3.20–21",
        "note": "A regional representative point. It is not an ethnic boundary or the location of Crassus’s engagements.",
        "noteZh": "地区代表点，不表示族群边界或克拉苏战斗的地点。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/138187",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "usipetes",
      "geometry": null,
      "properties": {
        "id": "usipetes",
        "name": "Usipetes and Tencteri encounter",
        "zh": "乌西佩特人与滕克特里人事件",
        "pleiadesId": null,
        "groups": [
          10
        ],
        "loci": "DBG 4.14–15",
        "note": "No precise location is asserted for this event. Textual interpretation and archaeological attribution require separate arguments.",
        "noteZh": "此事件不指定精确位置；文本解释与考古归属须分别论证。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "rhine",
      "geometry": {
        "type": "Point",
        "coordinates": [
          7.46057338682521,
          49.6380760082032
        ]
      },
      "properties": {
        "id": "rhine",
        "name": "Rhenus · Rhine",
        "zh": "莱茵河",
        "pleiadesId": "109277",
        "groups": [
          11,
          19
        ],
        "loci": "DBG 4.16–17; 6.9–10, 6.29",
        "note": "Watercourse representative point, not either bridge site. The two expeditions are linked without inventing bridge geometry.",
        "noteZh": "河流代表点，不定位两次架桥；关联两次行动而不虚构桥址。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/109277",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "britain55",
      "geometry": null,
      "properties": {
        "id": "britain55",
        "name": "Britain · 55 BCE landing",
        "zh": "不列颠：公元前55年登陆",
        "pleiadesId": null,
        "groups": [
          12
        ],
        "loci": "DBG 4.24–25",
        "note": "Landing place remains unlocated in this atlas. The Ebbsfleet evidence for 54 BCE is not evidence for this separate landing.",
        "noteZh": "此图集未定位登陆点；公元前54年的埃布斯弗利特材料不能直接证明此次登陆。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "atuatuca-camp",
      "geometry": null,
      "properties": {
        "id": "atuatuca-camp",
        "name": "Atuatuca · Caesarian camp",
        "zh": "阿图阿图卡：凯撒时期营地",
        "pleiadesId": null,
        "groups": [
          13,
          20
        ],
        "loci": "DBG 5.32–37; 6.36–41",
        "note": "Camp identification is unresolved here. The later Roman town at Tongeren is a comparator, not a secure camp coordinate.",
        "noteZh": "营地对应未决；后来的通厄伦罗马城作为比较对象，不用作确定营地坐标。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [
          "tongeren"
        ],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "tongeren",
      "geometry": {
        "type": "Point",
        "coordinates": [
          5.4639172,
          50.7806267
        ]
      },
      "properties": {
        "id": "tongeren",
        "name": "Atuatuca · Roman Tongeren",
        "zh": "阿图阿图卡：罗马时期通厄伦",
        "pleiadesId": "108765",
        "groups": [
          13,
          20
        ],
        "loci": "DBG 5.32–37; 6.36–41 (comparison)",
        "note": "Mapped Roman settlement context only. Identity with Caesar’s camp has not been established.",
        "noteZh": "仅绘制罗马聚落背景；未证明与凯撒营地为同一地点。",
        "sources": [
          "pleiades"
        ],
        "status": "hypothesis",
        "alternatives": [
          "atuatuca-camp"
        ],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/108765",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "britain54",
      "geometry": null,
      "properties": {
        "id": "britain54",
        "name": "Ebbsfleet / Pegwell Bay hypothesis",
        "zh": "埃布斯弗利特／佩格韦尔湾假说",
        "pleiadesId": null,
        "groups": [
          14
        ],
        "loci": "DBG 5.15–18",
        "note": "University of Leicester research proposes this setting for the 54 BCE expedition. No excavation coordinate has been copied or invented.",
        "noteZh": "莱斯特大学研究提出此地对应公元前54年远征；未复制或虚构发掘坐标。",
        "sources": [
          "britain"
        ],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": [
          "https://le.ac.uk/archaeology/research/big-antiquity/in-the-footsteps-of-caesar"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "britain-ethno",
      "geometry": null,
      "properties": {
        "id": "britain-ethno",
        "name": "Britain · ethnographic context",
        "zh": "不列颠：民族志背景",
        "pleiadesId": null,
        "groups": [
          15,
          16
        ],
        "loci": "Tacitus, Agricola 10–13",
        "note": "The readings describe an island and its people rather than a single site. No territorial geometry is inferred.",
        "noteZh": "阅读涉及岛屿与居民，而非单一遗址；不推算领土几何范围。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "cicero-camp",
      "geometry": null,
      "properties": {
        "id": "cicero-camp",
        "name": "Quintus Cicero’s camp",
        "zh": "昆图斯·西塞罗的营地",
        "pleiadesId": null,
        "groups": [
          17
        ],
        "loci": "DBG 5.39–48",
        "note": "Exact camp location is not securely established in the selected evidence.",
        "noteZh": "所选证据未能确定营地的精确位置。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "eburones",
      "geometry": null,
      "properties": {
        "id": "eburones",
        "name": "Eburones · campaign setting",
        "zh": "厄布隆人：战役背景",
        "pleiadesId": null,
        "groups": [
          18
        ],
        "loci": "DBG 6.34–43",
        "note": "No ethnic polygon or punitive campaign track is reconstructed from the text.",
        "noteZh": "不根据文本重构族群疆域多边形或惩罚性行动路线。",
        "sources": [],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": null,
        "snapshot_precision": null,
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": []
      }
    },
    {
      "type": "Feature",
      "id": "gallia",
      "geometry": {
        "type": "Point",
        "coordinates": [
          1.6706144893053327,
          46.360953305773286
        ]
      },
      "properties": {
        "id": "gallia",
        "name": "Gallia",
        "zh": "高卢",
        "pleiadesId": "993",
        "groups": [
          21
        ],
        "loci": "DBG 6.13–15",
        "note": "Regional context, not a boundary or a fixed homeland for all peoples in the reading.",
        "noteZh": "地区背景，不表示边界或文中各族群的固定领土。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/993",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "germania",
      "geometry": {
        "type": "Point",
        "coordinates": [
          7.5,
          52.5
        ]
      },
      "properties": {
        "id": "germania",
        "name": "Germania · northern region",
        "zh": "日耳曼地区",
        "pleiadesId": "20468",
        "groups": [
          22
        ],
        "loci": "DBG 6.21–23",
        "note": "Coarse regional context. This is not the similarly named settlement in the Balkans. No ethnic border is drawn.",
        "noteZh": "概括地区背景，区别于巴尔干同名聚落；不绘制族群边界。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/20468",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "avaricum",
      "geometry": {
        "type": "Point",
        "coordinates": [
          2.3978655,
          47.082535
        ]
      },
      "properties": {
        "id": "avaricum",
        "name": "Avaricum · Bourges",
        "zh": "阿瓦里库姆／布尔日",
        "pleiadesId": "138207",
        "groups": [
          23
        ],
        "loci": "DBG 7.17–28",
        "note": "Preferred city identification; the representative point is not the perimeter of siege works.",
        "noteZh": "采用首选城址对应；代表点并非围城工事范围。",
        "sources": [
          "pleiades"
        ],
        "status": "site",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/138207",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "gergovia",
      "geometry": {
        "type": "Point",
        "coordinates": [
          3.1241434999999997,
          45.718167
        ]
      },
      "properties": {
        "id": "gergovia",
        "name": "Gergovia · plateau",
        "zh": "格尔戈维亚高原",
        "pleiadesId": "138373",
        "groups": [
          24
        ],
        "loci": "DBG 7.36–53",
        "note": "Preferred plateau setting supported by archaeological research. The gazetteer retains a question mark in its title; no camp outlines are asserted here.",
        "noteZh": "考古研究支持首选高原对应；保留地名库标题中的问号；不据此绘制营地边界。",
        "sources": [
          "pleiades",
          "gergovia"
        ],
        "status": "site",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/138373",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places",
          "https://musee-gergovie.fr/le-plateau-de-gergovie/recherches-archeologiques/"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "alesia",
      "geometry": {
        "type": "Point",
        "coordinates": [
          4.503884,
          47.536622
        ]
      },
      "properties": {
        "id": "alesia",
        "name": "Alesia · Alise-Sainte-Reine",
        "zh": "阿莱西亚／阿利斯圣雷讷",
        "pleiadesId": "177434",
        "groups": [
          25,
          26
        ],
        "loci": "DBG 7.54–89",
        "note": "Preferred identification supported by excavated siege works. The town point is a navigation anchor, not a map of the circumvallation.",
        "noteZh": "发掘工事支持首选对应；城址点作为浏览锚点，不表示围城线。",
        "sources": [
          "pleiades",
          "alesia"
        ],
        "status": "site",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/177434",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places",
          "https://alesia.com/archeologie/"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "uxellodunum",
      "geometry": {
        "type": "Point",
        "coordinates": [
          1.58896495944327,
          44.769788867497006
        ]
      },
      "properties": {
        "id": "uxellodunum",
        "name": "Uxellodunum · Puy d’Issolud",
        "zh": "乌克塞洛杜努姆／伊索吕山",
        "pleiadesId": "138636",
        "groups": [
          27
        ],
        "loci": "DBG 8.32–44",
        "note": "Official archaeological identification: Puy d’Issolud. Snapshot precision is rough; its point must not be treated as an excavation coordinate.",
        "noteZh": "官方考古对应为伊索吕山；快照精度为粗略，不能把代表点视为发掘坐标。",
        "sources": [
          "pleiades",
          "uxello"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/138636",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places",
          "https://archeologie.culture.gouv.fr/sources-archeologie/fr/glossary/uxellodunum"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "rubicon",
      "geometry": {
        "type": "Point",
        "coordinates": [
          12.36072988737804,
          44.07217897786253
        ]
      },
      "properties": {
        "id": "rubicon",
        "name": "Rubico · Rubicon",
        "zh": "卢比孔河",
        "pleiadesId": "393484",
        "groups": [
          28
        ],
        "loci": "Suetonius, Divus Iulius 31–32 (capstone context)",
        "note": "River representative point; no exact crossing point is asserted.",
        "noteZh": "河流代表点，不指定精确渡河地点。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/393484",
        "snapshot_precision": "precise",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "rome",
      "geometry": {
        "type": "Point",
        "coordinates": [
          12.4914322095363,
          41.88994501020587
        ]
      },
      "properties": {
        "id": "rome",
        "name": "Roma",
        "zh": "罗马",
        "pleiadesId": "423025",
        "groups": [
          28
        ],
        "loci": "Suetonius, Divus Iulius 82; Plutarch, Caesar 66 (capstone context)",
        "note": "City context for the assassination. The point does not identify the Curia of Pompey.",
        "noteZh": "遇刺的城市背景；此点不定位庞培议事厅。",
        "sources": [
          "pleiades"
        ],
        "status": "regional",
        "alternatives": [],
        "coordinateMeaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "pleiades_uri": "https://pleiades.stoa.org/places/423025",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Pleiades representative point; not an event coordinate or surveyed extent",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    },
    {
      "type": "Feature",
      "id": "itius",
      "geometry": null,
      "properties": {
        "id": "itius",
        "name": "Portus Itius",
        "zh": "伊提乌斯港",
        "pleiadesId": "114791",
        "groups": [
          12,
          14
        ],
        "loci": "DBG 4–5 (expedition context)",
        "note": "Unlocated in the retained Pleiades snapshot. Boulogne/Wissant identifications require a separate scholarly comparison; no preferred harbour is asserted.",
        "noteZh": "快照未定位；布洛涅／维桑两说须另作学术比较，此处不指定首选港址。",
        "sources": [
          "pleiades"
        ],
        "status": "unlocated",
        "alternatives": [],
        "coordinateMeaning": "Unlocated; no inferred coordinate",
        "pleiades_uri": "https://pleiades.stoa.org/places/114791",
        "snapshot_precision": "rough",
        "coordinate_meaning": "Unlocated; no inferred coordinate",
        "source_urls": [
          "https://pleiades.stoa.org/places"
        ]
      }
    }
  ]
}