{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:LandmarksOrHistoricalBuildings",
  "title": "LandmarksOrHistoricalBuildings",
  "description": "An historical landmark or building.",
  "type": "object",
  "allOf": [
    {
      "description": "Entities that have a somewhat fixed, physical extension.",
      "$ref": "schema:Place"
    }
  ]
}