POLYGON ((-0.257955969037795 51.49125495243231, -0.257963226964518 51.4912511980685, -0.258041945505061 51.4912343158067, -0.258132556570475 51.49123162590732, -0.258182270778316 51.49122574400941, -0.258227221383764 51.49146222151537, -0.258150981699511 51.49149387720195, -0.258146071578584 51.49149782422483, -0.257803155618699 51.49141168628199, -0.25776480059727 51.49136269112321, -0.257777023352526 51.49134916948735, -0.257863278000901 51.49128759484115, -0.257868557072154 51.4912847266333, -0.257955969037795 51.49125495243231))