무심코 건넜다간 '큰일'…방치된 '바닥 신호등' #JTBC #Shorts JTBCNews 0 15 11.21 07:00 https://www.youtube.com/watch?v=lAbFkpUTfF4 + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UCsU-I-vHLiaMfV_ce… + 1 무심코 건넜다간 '큰일'…방치된 '바닥 신호등' #JTBC #Shorts