POLYGON ((114.9346674 31.0221521, 114.9364379 31.024947, 114.9424948 31.0251865, 114.9425879 31.0263843, 114.9394197 31.0293387, 114.9395129 31.0314947, 114.9420288 31.0340497, 114.9418425 31.0365249, 114.9397924 31.0393193, 114.9378356 31.0390798, 114.9350401 31.0376426, 114.9316855 31.0376426, 114.9301014 31.0393992, 114.9280514 31.0387605, 114.9274923 31.0356466, 114.9246968 31.0346087, 114.9219945 31.0357265, 114.920224 31.0337303, 114.9205968 31.0326125, 114.9224604 31.0315745, 114.9232059 31.0282209, 114.9249764 31.0269432, 114.9274923 31.0263044, 114.9310332 31.0237491, 114.9321514 31.021673, 114.9346674 31.0221521))