Limestone prevails over half the territory of the mountainous Kwangsi Chuang Autonomous Region in south China. Erosion by rain water has created grotesque stone forests, grottoes and subterranean...
Please login first!
Limestone prevails over half the territory of the mountainous Kwangsi Chuang Autonomous Region in south China. Erosion by rain water has created grotesque stone forests, grottoes and subterranean...