Subtitled in Korean심해 우주의 레인저 | 토니 헤이멧(Tony Haymet) | TEDxRio+20Translated by Taehyun ParkReviewed by Jihyeon J. Kim
Subtitled in Korean17:37How to land on a cometFred JansenTranslated by Taehyun ParkReviewed by Jihyeon J. Kim
