POLYGON ((-0.163993457869911 51.51936360912388, -0.16385766833579 51.51935495026351, -0.164102836531112 51.51903968942686, -0.164121473023863 51.51904122211768, -0.164227711543061 51.5191221238407, -0.163993457869911 51.51936360912388))