Video of a river of salarimen at rush hour en.rocketnews24.com

Every weekday morning, office workers come pouring out of Shinagawa Station as they head work in one of the nearby skyscrapers, and in this facinating and frightening time-lapse video from Japanese Twitter user @sigeyosiinoue, the mass of flowing humanity is packed so crazily tight that it looks as much like a rapid river as anything else.