POLYGON ((-0.173346551951339 51.86785744079651, -0.174880270774415 51.86756279389959, -0.17706170489161 51.86847553084559, -0.177988956762367 51.86866461280729, -0.178460191727021 51.86904347854391, -0.178794848055715 51.8699660173082, -0.178763700873434 51.87000365528123, -0.178304257920382 51.87072959812648, -0.176786674922926 51.87239099529388, -0.175569659248041 51.87223223599095, -0.174395571195964 51.87114385264672, -0.172024849287041 51.86796890334514, -0.173346551951339 51.86785744079651))