The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.
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.
