Watching Sumo in Japan

There are six major tournaments (basho) held each year. One of them is held in January at Tokyo Ryogoku Kokugikan. It starts from January 7th this year. If you are in Japan, try to go watch sumo in Tokyo.
Japanese Sumo
_{Rogoku Kokugikan Photo (c) Shizuko Mishima, licensed to About.com, Inc.}