POLYGON ((-0.171551633175981 51.46153299451272, -0.171635751224503 51.46148006843944, -0.171696225433234 51.46147724093021, -0.171972935224463 51.46153969284477, -0.171591931743361 51.46162806957347, -0.171551633175981 51.46153299451272))