{
  "id": "berlin-pneumatic",
  "title": "The city that sent messages through tubes",
  "location": "Berlin, Germany",
  "coordinates": {
    "latitude": 52.516666666666666,
    "longitude": 13.4
  },
  "category": "Heritage",
  "dataset": "Library of Congress",
  "source": {
    "name": "Historic map collections",
    "url": "https://www.loc.gov/maps/collections/"
  },
  "summary": "Historic plans preserve a once-extensive pneumatic postal network.",
  "editorialInterpretation": "Historic plans preserve a once-extensive pneumatic postal network. Map and record layers place this feature in its wider geographic, historical and civic context.",
  "computed": {
    "nearestSettlement": null,
    "relatedPlaces": [
      {
        "id": "gasometer",
        "title": "A giant iron drum in the city",
        "distanceKm": 462
      },
      {
        "id": "severalls",
        "title": "The hospital planned as a small town",
        "distanceKm": 854
      },
      {
        "id": "crossness",
        "title": "The cathedral built for sewage",
        "distanceKm": 914
      }
    ],
    "pageQuality": 97,
    "indexable": true
  },
  "provenance": {
    "generatedAt": "2026-08-28T16:48:50.479Z",
    "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"
    ]
  }
}