'성수대교 붕괴' 30주기 위령제..."희생 반복 없길" / YTN YTN 0 0 10.21 19:23 https://www.youtube.com/watch?v=dZq6lzbd0Ss + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UChlgI3UHCOnwUGzWz… + 0 '성수대교 붕괴' 30주기 위령제..."희생 반복 없길" / YTN