POLYGON ((0.508569991127877 51.38754798099864, 0.508649179232793 51.38745167815473, 0.507652136201343 51.38705222092414, 0.507494532409927 51.38716466415888, 0.507456034751483 51.38742206440731, 0.508569991127877 51.38754798099864))