Hellow guys, Welcome to my website, and you are watching 경기도 고양서 '드론 레이싱 대회' 열려 / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2015-11-29T18:27:15-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
