Sumo is a Japanese form of ring fighting, where one massive wrestlers tries to force the other one out of the ring. The fight is part of the Japanese cultural heritage and the Sumo ringers are regarded as stars and national heroes in the country. The Sumo Ring hall of Ryogkoku is commonly understood as the birth place of the sport and is still the most important competition site. Once a year at the day of the Tenno on April 29th the hall is open to the public free of charge. On this day it is possible to watch the most famous Sumo ringers of the country on training. The following pictures were taken in 2016.