the peak in zhangjiajie, hunan province, china

39aph39 avatar badlands canyon china cliff core denudation faulting filmed formation formed geology grotesque group grow hallelujah hunan intense isolated karst landform landmark landscape leaching long longterm mountain mountains movie park parts peak period plants plateau platform preserved province ridge rock showing slow steep terrain tianmen today today39aph39s tourism tree valley wadi weathering wide wilderness xiangxi zhangjiajie