Japan tackles escalator safetyーNHK WORLD-JAPAN NEWS NSKWorldJAPAN 0 13 3시간전 https://www.youtube.com/watch?v=SnTbua1aHS0 + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UCSPEjw8F2nQDtmUKP… + 0 Japan tackles escalator safetyーNHK WORLD-JAPAN NEWS