POLYGON((4.53781 49.84026,4.53763 49.84013,4.53755 49.83999,4.53802 49.8399,4.53819 49.83987,4.53822 49.84001,4.53861 49.83996,4.53862 49.84004,4.53827 49.84011,4.53781 49.84026))