The four main islands of Japan are Hokkaido, Kyushu, Honshu and Shikoku, with a population of over 127 million people. Tokyo is the capital and is often featured in movies and anime, containing museums like the Tokyo National Museum. The Japanese flag is named Nisshoku which translates to "sun mark flag" and features a red circle representing the sun in the center. Japan experiences around 5000 earthquakes annually and has suffered three major natural disasters recently including an earthquake, tsunami, and nuclear explosion. Japan has the third largest economy in the world focused on industries like motor vehicles, electronics, and chemicals.