As temperatures stay high at around 35 C in many parts of Japan in July, sumo stables are stepping up anti-heat measures for wrestlers competing at the Nagoya Grand Sumo Tournament beginning Sunday.At the outside training ring at the Nagoya base of grand champion Hoshoryu's Tatsunami stable, a mist device was installed this year above the ring to help wrestlers stay cooler."The mist makes a big difference," said one of the wrestlers belonging to the stable.The Sadogatake stable's training ring is also outdoors although it has a roof and is not constantly exposed to direct sunlight.Earlier t…READ FULL ARTICLE