https://video.twimg.com/ext_tw_video/1935630531896459264/pu/vid/avc1/720x1280/hocCVz99Zco8ynql.mp4
https://video.twimg.com/ext_tw_video/1884921516590014465/pu/vid/avc1/576x1024/0lKWnji0UF1MCFBg.mp4
日本の低技術を世界に示した大阪万博
https://video.twimg.com/amplify_video/1904124882163777537/vid/avc1/720x1280/EFp9UtE8YtfSLaRr.mp4?tag=16