POLYGON ((-0.139719726501837 51.51015922722638, -0.139538246296671 51.50997963486365, -0.139541632042509 51.50997864479698, -0.139679799577506 51.50999817912419, -0.139766273496567 51.51008375330893, -0.139757472498113 51.51014329129627, -0.139719726501837 51.51015922722638))