Prayer flags at Boudhanath Stupa, Boudha, Tibetan Buddhism, Kathmandu, Nepal, Asia

architecture asia bagmati zone blue sky blue boudhanath stupa boudhanath buddhism buddhist building cloudless cultural site culture daytime faith flag good weather heritage kathmandu district kathmandu nepalese nepal no people prayer flag religion religious sight sky stupa temple site temple tibetan travel unesco world heritage site white