Hellow guys, Welcome to my website, and you are watching [대전/대덕] 대전시, '스마트시티 챌린지'사업 유치전 / YTN. and this vIdeo is uploaded by YTN at 2019-07-05T09:01:54-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
