Jiu-Jitsu class in a training facility with a blue mat and dark gray walls

Jiu-Jitsu class in a training facility with a blue mat and dark gray walls. About a dozen individuals are present, wearing gis in various colors, including white, black, and grey. A man in a black gi with a pink belt is actively speaking and gesturing to another man also wearing a black gi. Other people are sitting on the mat listening or adjusting their positions. Flags with circular logos hang on the wall. There is a TV screen visible on the wall and a white radiator. The atmosphere appears to be instructional.