https://sites.google.com/a/kocacadb.or.kr/theatrespec/home/start_with_giyeok/gyeongsan-civic-center/staff-and-telephone
     https://sites.google.com/a/kocacadb.or.kr/theatrespec/home/start_with_giyeok/gyeongsan-civic-center/working-policy
     
     
     https://sites.google.com/a/kocacadb.or.kr/theatrespec/home/start_with_giyeok/gyeongsan-civic-center/stage-floor-machinery
     
     
     
     

     https://sites.google.com/a/kocacadb.or.kr/theatrespec/home/start_with_giyeok/gyeongsan-civic-center/sound-diagram