POLYGON ((116.9816238 23.4935175, 116.9818339 23.4934975, 116.9818701 23.493657, 116.9817832 23.4938231, 116.9817759 23.4940557, 116.981602 23.4940225, 116.9814861 23.4936902, 116.9816383 23.4936304, 116.9816238 23.4935175))