[짤막상식]지구를 지켜라! ‘24/7 CFE' / YTN YTN 0 20 11.03 03:28 https://www.youtube.com/watch?v=YAIyX5iDCVE + 3 https://www.youtube.com/feeds/videos.xml?channel_id=UChlgI3UHCOnwUGzWz… + 2 [짤막상식]지구를 지켜라! ‘24/7 CFE' / YTN