POLYGON((3.16763 45.51848,3.16793 45.51842,3.16838 45.51843,3.16863 45.5183,3.16843 45.51814,3.16826 45.51813,3.16798 45.5182,3.16767 45.5183,3.16758 45.51835,3.16757 45.51842,3.1676 45.51847,3.16763 45.51848))