the kandak valley view from inside of the balo kaley stupa believed to be built in the 2nd century

kandak valley inside view door window balo kaley stupa dome gumbat gumbatuna history swat pakistan balokaley buddhist monastery architecture archaeology khyber pakhtunkhwa site masterpiece ancient archaeological shrine stupas landmark gandharan corridor venue old buddhism temple ruin heritage stone sculpture archeology vihara religion buddha religious famous light air ventilation ceiling arch believed built 2nd century