POLYGON((1.68168 47.31537,1.68275 47.31595,1.68348 47.31543,1.68369 47.31493,1.68348 47.31418,1.67975 47.31223,1.67734 47.31607,1.68022 47.31685,1.68172 47.31528,1.68168 47.31537))