{"geometry":{"type":"MultiPolygon","coordinates":[[[[-0.004658,51.507207],[-0.004612,51.507233],[-0.004577,51.507255],[-0.004294,51.507457],[-0.004442,51.507676],[-0.004476,51.50767],[-0.004714,51.507612],[-0.004958,51.507555],[-0.005017,51.507543],[-0.005193,51.507527],[-0.005193,51.507366],[-0.005163,51.507362],[-0.005149,51.507357],[-0.005126,51.507341],[-0.005114,51.507326],[-0.005094,51.50729],[-0.005079,51.507272],[-0.005053,51.507251],[-0.005034,51.507239],[-0.005013,51.507227],[-0.004966,51.507206],[-0.004926,51.507194],[-0.00486,51.507182],[-0.004803,51.507178],[-0.004778,51.507179],[-0.004733,51.507185],[-0.004692,51.507195],[-0.004658,51.507207]]]]},"type":"Feature","properties":{"entry-date":"2026-07-28","start-date":"2000-01-20","end-date":"","entity":42131676,"name":"NORTHERN VENTILATION SHAFT TO THE BLACKWALL TUNNEL SOUTHBOUND","dataset":"listed-building-outline","typology":"geography","reference":"LB_901","prefix":"listed-building-outline","organisation-entity":350,"quality":"authoritative"}}