POLYGON ((121.1396464 27.96291, 121.1399336 27.9629006, 121.1401996 27.9630134, 121.1402262 27.9631637, 121.1404815 27.9633234, 121.1404496 27.963455, 121.14004 27.9633798, 121.139774 27.9633986, 121.1397049 27.9633234, 121.1398272 27.9631402, 121.1398059 27.9630181, 121.139673 27.9629852, 121.1396464 27.96291))