The Showa period, which lasted from 1926 to 1989, was marked by Japan's militarism and involvement in World War II.

The Japanese macaque, also known as the snow monkey, is the northernmost-living non-human primate and is famous for its habit of bathing in hot springs during the winter.

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.