POLYGON((3.8615 48.1971,3.8621 48.1967,3.86953 48.19776,3.87082 48.19805,3.87163 48.20274,3.87326 48.20528,3.87155 48.20992,3.86592 48.2122,3.85829 48.20983,3.86065 48.20145,3.8615 48.1971))