mountains in zhangjiajie, hunan province, china

avatar china chinese cliff core denudation faulting filmed forest formation formed grotesque group grow hallelujah hill hunan hunanprovince intense isolated jungle karst landform leaching long longterm mountain mountains movie parts peak period plant plants plateau platform preserved province ridge showing slow steep terrain tianmen tianmenmountain today39aph39s tree valley vegetation weathering wide wilderness xiangxi zhangjiajie