더 똑똑해진 CCTV #shorts / YTN YTN 0 39 2023.12.27 09:51 https://www.youtube.com/watch?v=03TkpVmf4uQ + 10 https://www.youtube.com/feeds/videos.xml?channel_id=UChlgI3UHCOnwUGzWz… + 10 더 똑똑해진 CCTV #shorts / YTN