middle-aged man with long hair, a beard, and a black sleeveless shirt and black pants, practicing martial arts in a room with a white floor and fluorescent lighting

middle-aged man with long hair, a beard, and a black sleeveless shirt and black pants, practicing martial arts in a room with a white floor and fluorescent lighting. He wears a yellow belt with red accents. In the background, there are benches, a speaker, and two people sitting and looking at their phones. The man performs a series of punches, blocks, and kicks, moving around the room. The camera is handheld and moves to follow the man's movements.