the stupa and harmika at takht-e rostam monastery in northern afghanistan

afghanistan ancient architecture aybak bedrock buddhism buddhist building carved cave caves chambers complex haibak harmika hill hilltop historic khomri mazar mazaresharif mazarisharif monastery northern old pol polekhomri province religion religious rock rostam rustam samangan sanctuaries sanctuary sharif sky stone stupa surmounted takht takhte this top tunnels