POLYGON ((-0.137793425501212 51.51142989366206, -0.137911897751351 51.51139165122366, -0.13809023889425 51.51154349368757, -0.138075173709043 51.51158497925238, -0.137875311652359 51.51168797112208, -0.137701689725436 51.51166059405788, -0.137749715299892 51.51150526896161, -0.137793425501212 51.51142989366206))