POLYGON((3.87933 48.522,3.8811 48.52171,3.88445 48.52269,3.88482 48.5232,3.88564 48.52348,3.88621 48.52307,3.8847 48.52249,3.88141 48.52134,3.87922 48.52173,3.87933 48.522))