the stupa and monastery of tokar dara site

swat khyber pakhtunkhwa pakistan yusafzai state suvastu suhoto gandhara oacedil acedil iyana udyana tokar dara najigram stupa monastery buddhism buddhist buddha archaeology assembly hall living quarters aqueduct cave kushan turk shahi 2nd century kesar hindu bazira najirgram valley excavation museums complex religion site mountain place architecture temple archeology civilization ancient history ruin kpk buddist rocks stones prayer area