The Hells of Beppu in Beppu, a city on the island of Kyushu, are a series of hot springs that are too hot for bathing, but are a unique and interesting sight to see.

The Japanese yen is the official currency of Japan and is the third most traded currency in the world, after the US dollar and the euro.

Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.