야간 갯벌 사고, 드론으로 막는다 #shorts / KBS KBSNews 0 22 08.27 16:00 https://www.youtube.com/watch?v=K4wyufH3Rk0 + 4 https://www.youtube.com/feeds/videos.xml?channel_id=UCcQTRi69dsVYHN3ex… + 3 야간 갯벌 사고, 드론으로 막는다 #shorts / KBS