Heaps of volcanic rocks formed in historic volcanic eruptions. The Aershan Mountain is rich in diversified landforms, especially volcanoes and hot springs. Photo taken on June 8. [Photo: Xinhuanet]
![Heaps of volcanic rocks formed in historic volcanic eruptions. The Aershan Mountain is rich in diversified landforms, especially volcanoes and hot springs. Photo taken on June 8. [Photo: Xinhuanet]](http://images.china.cn/attachement/jpg/site1007/20090609/000d87ad3cdd0b984f221a.jpg "Heaps of volcanic rocks formed in historic volcanic eruptions. The Aershan Mountain is rich in diversified landforms, especially volcanoes and hot springs. Photo taken on June 8. [Photo: Xinhuanet]")
