The Japanese giant salamander is one of the world's largest amphibians and is native to Japan's freshwater rivers and streams.

Osaka is Japan's third-largest city and a major commercial and industrial hub, with a population of over 19 million people in the greater Osaka area.

The sushi conveyor belt, invented in the 1950s, revolutionized the way sushi is served in restaurants and made it more accessible to the average person.