POLYGON ((-0.019580620036852 51.68606266562452, -0.019866229301307 51.68614793619165, -0.019853636778971 51.68632061534082, -0.019788506400611 51.68650074036252, -0.018905061690345 51.68679030362384, -0.01873641556244 51.68672571150221, -0.018961791697888 51.68634060509003, -0.019580620036852 51.68606266562452))