{"geometry":{"type":"MultiPolygon","coordinates":[[[[-1.871561,52.503812],[-1.87154,52.503791],[-1.871551,52.503788],[-1.871122,52.503262],[-1.871098,52.50321],[-1.870961,52.50325],[-1.871159,52.5035],[-1.871461,52.503859],[-1.871561,52.503812]]]]},"type":"Feature","properties":{"entry-date":"2026-05-05","start-date":"1901-01-01","end-date":"","entity":42186799,"name":"Grand Junction Railway Viaduct, Holborn Hill, Aston, Birmingham","dataset":"listed-building-outline","typology":"geography","reference":"737","prefix":"listed-building-outline","organisation-entity":"44","quality":"authoritative","listed-building":"0"}}