{
  "asset_id": "LUX-ASSET-000625",
  "edges": [
    {
      "confidence_level": "high",
      "date": "1905-12-01",
      "description": "The Feu du Château harbor-light tower was first lit on 1 December 1905 at la grève below the Château de Brest — a 12 m cylindrical stone turret with occulting white, red, and green sectors.",
      "event_id": "HERITAGE-REL-000100",
      "id": "HERITAGE-REL-000100",
      "relation_type": "installed_at",
      "source": "LUX-ASSET-000625",
      "target": "LUX-PLACE-000010"
    },
    {
      "confidence_level": "medium",
      "date": "1920-1924",
      "description": "Electrification date is uncertain: Persée records 1920; Fichou inventory cites 1924. Both remain open pending primary document review.",
      "event_id": "HERITAGE-REL-000102",
      "id": "HERITAGE-REL-000102",
      "relation_type": "modified",
      "source": "LUX-ASSET-000625",
      "target": "LUX-PLACE-000010"
    },
    {
      "confidence_level": "medium",
      "date": "1940",
      "description": "Fichou inventory records that the feu was extinguished in 1940 after median construction in front; port embankment works continued to transform the castle-foot shoreline.",
      "event_id": "HERITAGE-REL-000103",
      "id": "HERITAGE-REL-000103",
      "relation_type": "demolished",
      "source": "LUX-ASSET-000625",
      "target": "LUX-PLACE-000010"
    }
  ],
  "nodes": [
    {
      "asset_kind": "tower",
      "entity_type": "heritage_asset",
      "id": "LUX-ASSET-000625",
      "is_root": true,
      "label": "Feu du Château de Brest harbor-light tower",
      "latitude": null,
      "longitude": null,
      "place_type": "",
      "url": "/heritage-assets/LUX-ASSET-000625/"
    },
    {
      "asset_kind": "",
      "entity_type": "heritage_place",
      "id": "LUX-PLACE-000010",
      "is_root": false,
      "label": "Grève du Château de Brest",
      "latitude": 48.38103628,
      "longitude": -4.49200286,
      "place_type": "historical_location",
      "url": "/heritage-places/LUX-PLACE-000010/"
    }
  ],
  "root_id": "LUX-ASSET-000625"
}