Japanese automakers have been leaders in developing fuel-efficient and low-emission vehicles, such as hydrogen fuel cell cars and plug-in electric vehicles.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.

The Japanese marten is a small carnivorous mammal that is found throughout Japan's forests and is known for its agility and speed.