just another day with ninja.
algorithm march: “Lines of more than 2 people are formed, and they begin moving canon style one at a time. The movements of the first and last person become connected.” (from wiki)
this is a part of a japanese tv show called “pitagora switch” on nhk educational channel. the devise you see at the end of this video is called “pitagora device”. you can also watch how the amazing “pitagora switch” devices work here.