Dozens of Japanese students move in formation through a sports hall in Yokohama in training for a synchronised walking performance expected to draw thousands. For more than half a century, students at Nippon Sport Science University have captivated audiences with their intricate displays in a practice known as Shudan Kodo, meaning "collective action". Interested in licensing this video? Get in touch 👉 http://u.afp.com/wvnD AFP’s services and content are for professional use only.