The Shinkansen, or bullet train, is a popular mode of transportation for tourists in Japan, and travels at speeds of up to 320 km/h (200 mph).
The Japanese marten is a small carnivorous mammal that is found throughout Japan's forests and is known for its agility and speed.
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.