POLYGON ((-0.206821930308361 51.49966812881807, -0.206782338419005 51.49964217660361, -0.20665428457289 51.49940440758824, -0.207010497814464 51.49939874445188, -0.207131955226411 51.49955368278135, -0.207136856529962 51.49955674254137, -0.207272159682252 51.4997742747116, -0.207221897468956 51.49981892239157, -0.206922795845476 51.49983346018076, -0.206821930308361 51.49966812881807))