{
  "id": "tokyo-flood",
  "title": "The cathedral built for floodwater",
  "location": "Saitama, Japan",
  "coordinates": {
    "latitude": 35.983333333333334,
    "longitude": 139.81666666666666
  },
  "category": "Infrastructure",
  "dataset": "OpenStreetMap",
  "source": {
    "name": "OpenStreetMap geographic features",
    "url": "https://www.openstreetmap.org/"
  },
  "summary": "Huge underground columns support a system designed to divert floods.",
  "editorialInterpretation": "Huge underground columns support a system designed to divert floods. Map and record layers place this feature in its wider geographic, historical and civic context.",
  "computed": {
    "nearestSettlement": null,
    "relatedPlaces": [
      {
        "id": "whittier",
        "title": "The town living in one building",
        "distanceKm": 5599
      },
      {
        "id": "svalbard-vault",
        "title": "The seed vault inside a mountain",
        "distanceKm": 6802
      },
      {
        "id": "coober-pedy",
        "title": "The town that moved underground",
        "distanceKm": 7247
      }
    ],
    "pageQuality": 89,
    "indexable": true
  },
  "provenance": {
    "generatedAt": "2026-08-28T16:48:50.472Z",
    "method": "MapTheOdd place-page generator v2",
    "limitations": [
      "Access may change",
      "Computed distances are straight-line",
      "Nearest settlement comes from GeoNames cities500",
      "Editorial interpretation should be checked against the linked source"
    ]
  }
}