mountains

adventure altitude asia atmosphere background beautiful black blue calm cascade cascaded cascading china cloud cloudless color dawn destination dusk exploration fly freedom haze high hike hiking hill hills landscape mist mood morning mountain mountaineering mountains nature outdoors peaceful peak peaks plateau pure purity purple quiet ridge ridges rock scene scenery scenic shadow shape sierra sightseeing silhouette sky slope stone summit sun sunny sunrise sunset sunshine tone top tourism travel trek trekker trekking view white wide wild winter yunnan zhaotong