https://zh.moicapnhap.com/post/iran-and-afghanistan-are-affected-by-the-compression-of-the-plate-and-the-terrain-is-higher-the-dry-climate-brings-precious-water-sources-and-even-forms-many-point-shaped-oases-at-the-foot-of-the-mountains-why-can-high-mountains-bring-water-sources