Hellow guys, Welcome to my website, and you are watching 세계 최초의 기록을 보유한 우리나라 무인항공기 [#핫클립] / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2021-11-14T22:45:19-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
