Prayer flags flying above the Yarlung valley on Yumbulagang Palace, first and oldest fortress in Tibet, Himalayas, Central Tibet, Tibet, China, Asia

above aged and architecture asia asian bastion bastions belief buddhism buddhist buddhistic buddhistical building buildings central chain chains china chinese colored colorful coloured colourful creed cultural culturally culture cultures faith famous first flag flags flying fortification fortifications fortress fortresses himalaya himalayas historic historical historically in known lot lots many mountain mountained mountainous mountains mountains numerous of old oldest on palace prayer prayer prayers range ranges rangy religion religious renowned seeing sight sights stronghold strongholds the tibet tibetan tower towers valley well well known worth yarlung yumbulagang