POLYGON ((-0.137887026663013 51.51821956447309, -0.138078296359469 51.51843477256386, -0.137989388652412 51.51846462336164, -0.13787026122244 51.51847097221992, -0.137605706733026 51.51837866605285, -0.137706939786908 51.51830485240734, -0.137887026663013 51.51821956447309))