Enlarged over the years , it underwent many successive restoration , including one in 1778 .
Pyohunsa was founded in 670 under the fervently Buddhist kingdom of Silla , who viewed the Kumgang mountains as sacred .
Enlarged over the years , Pyohunsa underwent many successive restoration , including one in 1778 .
Pyohunsa was founded in 670 under the fervently Buddhist kingdom of Silla , who viewed the Kumgang mountains as sacred .