Preparation for the Nagoya Grand Sumo Tournament in July began Wednesday at the newly built IG Arena, one of the biggest indoor venues in Japan.An office was launched in Nagoya for the July 13-27 tournament, which will be the opening event for the arena, with around 7,800 seats to be readied as Onosato makes his yokozuna debut.The venue, which can house up to 17,000 spectators, is scheduled to host the ISU Grand Prix of Figure Skating Final in December and is also designed to stage concerts."We'll be looking to make a good preparation. It's a big gymnasium and we expect lots of spectators t…READ FULL ARTICLE