May 27, 2010 - Tokyo, Japan - Exterior of the Ryogoku Kokugikan, also known as Sumo Hall, is pictured in Tokyo, Japan, on May 27, 2010. The Japan Sumo Association decided punishments on Thursday against two sumo stable masters in connection with the distribution of front-row tickets to several high-ranking members of a gang affiliated with the Yamaguchi-gumi crime syndicate.