POLYGON ((-0.5153970418442581 51.43773278638434, -0.515639582031957 51.43786136237494, -0.515796511204091 51.43779577671496, -0.5158111498507369 51.43759942937905, -0.5157916445080311 51.43741286771466, -0.515467036993992 51.4373024000321, -0.515250847957557 51.43754159579493, -0.515249045755161 51.43755761029393, -0.515303962834572 51.43763381588278, -0.5153970418442581 51.43773278638434))