Red shift in deep blue citiesーNHK WORLD-JAPAN NEWS NSKWorldJAPAN 0 16 3시간전 https://www.youtube.com/watch?v=uc3IrGbmbQY + 0 https://www.youtube.com/feeds/videos.xml?channel_id=UCSPEjw8F2nQDtmUKP… + 0 Red shift in deep blue citiesーNHK WORLD-JAPAN NEWS