POLYGON((2.31187 46.18458,2.31185 46.18453,2.31181 46.1845,2.31174 46.18449,2.31168 46.1845,2.31163 46.18453,2.31161 46.18457,2.31163 46.18462,2.31167 46.18465,2.31174 46.18467,2.31181 46.18465,2.31185 46.18462,2.31187 46.18458))