{
  "title": "Central London building footprints, roads and parks",
  "source": "https://www.openstreetmap.org",
  "attribution": "\u00a9 OpenStreetMap contributors",
  "licence": "Open Database License (ODbL) 1.0",
  "licence_url": "https://opendatacommons.org/licenses/odbl/1-0/",
  "copyright_url": "https://www.openstreetmap.org/copyright",
  "derived_database": "/static/midas/london.json",
  "changes": "Bounded extract, simplified coordinate precision, heights inferred from levels or a 13.6m default when absent. River ribbon and landmark meshes are separately authored approximations. Project sites and all business records are fictional.",
  "extraction_method": "Sixteen bounded OSM API 0.6 map extracts, de-duplicated by way ID",
  "extracted_on": "2026-10-26",
  "equivalent_overpass_query": "[out:json][timeout:90];(\nway[\"building\"](51.494,-0.137,51.526,-0.065);\nway[\"highway\"~\"^(primary|secondary|tertiary|residential|unclassified|pedestrian|trunk)$\"](51.494,-0.137,51.526,-0.065);\nway[\"leisure\"=\"park\"](51.494,-0.137,51.526,-0.065);\n);out geom;",
  "buildings": 16898,
  "roads": 8586,
  "parks": 139
}