POLYGON ((-0.315061654352151 51.50807213939033, -0.31511548854924 51.50817825089786, -0.314866659494301 51.50823014559909, -0.314598290493006 51.50809358992133, -0.314616191369015 51.50791207782267, -0.314810389853323 51.50788045159148, -0.315061654352151 51.50807213939033))