POLYGON((2.31181 46.90306,2.3111 46.90313,2.31026 46.90289,2.31005 46.90326,2.31032 46.90371,2.3127 46.90373,2.31317 46.90292,2.31278 46.90253,2.31191 46.90268,2.31181 46.90306))