Hellow guys, Welcome to my website, and you are watching 국립대구과학관 '천지인학당' 홍보영상. and this vIdeo is uploaded by 국립대구과학관 Scientry at 2015-01-20T17:42:09-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
