Swayambhu Stupa Pinnacle, Kathmandu Nepal Drone Shot

swayambhu stupa pinnacle kathmandu nepal drone shot unesco world heritage site green city urbanization ancient cultures architectural wonder telephoto reveal historical landmark iconic monument sacred site kathmandu valley cultural heritage spiritual symbol buddhist stupa religious architecture panoramic view urban development traditional craftsmanship unique perspective cultural diversity heritage preservation architectural beauty ancient traditions religious icon kathmandu skyline birds eye view cityscape architectural marvel cultural significance spiritual center religious heritage cultural fusion architectural details kathmandu exploration urban growth historical preservation ancient wisdom 4k