POLYGON((4.71871 46.29783,4.7214 46.29809,4.72391 46.30072,4.72341 46.30145,4.72049 46.30076,4.71825 46.30003,4.71672 46.29927,4.71674 46.29812,4.71803 46.2978,4.71871 46.29783,4.71871 46.29783))