Spire of the Great Stupa of Boudhanath among of prayer flags on a background of clear sky, Kathmandu, Nepal

nepali flags stupa kathmandu stupa nepali stupa religion buddhist buddhism kathmandu nepal kathmandu nepal asia city urban asian lifestyle populated panoramic pollution city pollution density touristic tourism over populated temple culture traditional nepalese destination attraction capital city nepali himalaya durbar square flag nepal flags religious monument boudhanath boudha boudhanath stupa sacred buddha ancient spiritual monastery spirituality unesco heritage pagoda pray nepal sutras