The spatial distribution of land use in the China Pakistan Economic Corridor region in 2009, sourced from the European Space Agency (ESA GlobCover) http://due.esrin.esa.int/page_globcover.php The spatial resolution is 300m and the spatial coordinate system is WGS 84.
中心点纬度：30.805028503878752
中心点经度：68.73206098479855
最大缩放级别：8
最小缩放级别：4
Current zoom level：5
