POLYGON ((0.510658801410004 51.35791707147615, 0.510685187562453 51.3577545428407, 0.51048191077873 51.35762870573151, 0.510203889530383 51.35778538951541, 0.5106336353987611 51.35792715266515, 0.510658801410004 51.35791707147615))