SRID=4326;POLYGON((113.526 22.182,113.538 22.2,113.532 22.212,113.544 22.218,113.568 22.206,113.604 22.206,113.628 22.164,113.628 22.11,113.61 22.074,113.568 22.074,113.568 22.098,113.55 22.11,113.55 22.128,113.538 22.122,113.55 22.146,113.526 22.182))