beautiful mountain yalley of yuanjiajie or avartar mountain at zhangjiajie national forest park

area asia asian attraction autumn avartar avatar beautiful china chinese city cloud destination district environment famous forest green hill holiday horizon hunan landmark landscape mist mountain movie national natural nature outdoor park peak quartz sandstone scenery scenic season summer sunshine tourism tourist travel tree trekking unesco vacation valley view world wulingyuan yalley yuanjiajie zhangjiajie