group of children practicing martial arts, possibly judo or karate, in a gymnasium

group of children practicing martial arts, possibly judo or karate, in a gymnasium. They are wearing white gis, and some have colored belts. The floor is a mat with yellow and blue sections. The gym has high ceilings with exposed pipes and lighting fixtures. In the background, there is a blue mat leaning against a wall, some mats stacked vertically, and a net. The children are performing various movements and exercises. In the beginning, they are standing and appear to be preparing for an activity. Then, the children begin to fall or roll onto the mat, demonstrating controlled movements. One child is seen doing a cartwheel, while others are in various stages of somersaults or rolls. There are at least six children visible in the frame, and two adults are present, one sitting on a large blue exercise ball and another standing. One adult appears to be instructing or supervising. The overall atmosphere seems to be one of training and physical exertion.