Hellow guys, Welcome to my website, and you are watching 한국과학창의재단 이사장에 정우성 포항공대 교수 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 투데이 at 2024-11-05T00:05:01-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
