Hellow guys, Welcome to my website, and you are watching [대전/대덕] NST, 한-캐나다 과학기술대회 '비대면'으로 열어 / YTN. and this vIdeo is uploaded by YTN at 2020-09-04T05:31:35-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
