POLYGON ((-0.148813822718835 51.51933549920673, -0.148769805694716 51.51926983974385, -0.148754734911083 51.51922267962713, -0.149088136161615 51.51917623462599, -0.149129853429563 51.51921114112927, -0.148813822718835 51.51933549920673))