nine storey basantapur tower in nasal chowk courtyard, kathamandu, nepal

1770 ancient archaeology architectural architecture asia attraction basantapur built carvings chowk city construction courtyard destination durbar famous heritage hindu hinduism history kathamandu kathmandu king landmark narayan nasal nepal nepalese nine pagoda palace prithvi religion religious shah sightseeing square storey storied temple tourism tourist tower travel unesco vacation window wood woodcarving wooden worship