Hellow guys, Welcome to my website, and you are watching [한국사 探] 구황작물로 역사를 함께 한 땅속 건강 작물 ‘고구마’ / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 at 2016-12-07T16:12:21-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
