서울 상공에 ‘도심항공교통’ 실증…관건은 ‘안전성 확보’ / KBS 2024.11.11. KBSNews 0 13 11.11 19:36 https://www.youtube.com/watch?v=8pSXd97u66s + 1 https://www.youtube.com/feeds/videos.xml?channel_id=UCcQTRi69dsVYHN3ex… + 2 서울 상공에 ‘도심항공교통’ 실증…관건은 ‘안전성 확보’ / KBS 2024.11.11.