Coordinates - "Sanji Shrine made up the photos of the last children's sumo wrestling congress. Here we will introduce the little common sense of sumo wrestling. Firstly, the two sides squat to prepare for battle. The white circle in the picture is called the earth table, which is also the fighting stage of sumo wrestling. Formal topsoil is usually made of loess, and salt is sprinkled on it. The man with the microphone in the middle, called "Shiji" in Japanese, plays the role of referee.