事故動画
監視&人が近くにいるのに気づかない例
https://f-movie.po-kaki-to.com/24762.mp4
https://f-movie.po-kaki-to.com/24882.mp4
https://f-movie.po-kaki-to.com/19712.mp4
https://f-movie.po-kaki-to.com/18888.mp4
https://f-movie.po-kaki-to.com/25066.mp4

気づいた例
https://video.twimg.com/ext_tw_video/1117328298806104065/pu/vid/1280x720/PqoogaPGU5jlWzzG.mp4
https://video.twimg.com/ext_tw_video/1117329910933024770/pu/vid/1280x720/PS_5FxsrSl-6PFgA.mp4
https://video.twimg.com/ext_tw_video/1117566540004507648/pu/vid/1280x720/U1WyNl1RRynNPhSW.mp4
最後のは「溺れそうなら暴れるな」を実践して助かった稀な例