Question: kaiten-zushi has an interesting history?
Answer: First Installed to Reduce Costs. Sushi is undoubtedly the best-known Japanese food around the world. It first grew in popularity during the Edo period (1603–1868) as street food bought from yatai stalls. ... The first kaiten-zushi restaurant, Mawaru Genroku Sushi, opened in Japan in 1958.