POLYGON((1.78511 47.01685,1.78531 47.01704,1.78549 47.01709,1.78585 47.0172,1.78633 47.01734,1.78671 47.01743,1.78597 47.01738,1.7856 47.01734,1.78534 47.0172,1.78511 47.01685))