A group of people, mostly young adults, are marching in formation on a grassy field

A group of people, mostly young adults, are marching in formation on a grassy field. They are wearing red jackets with white belts and black pants, along with black hats that resemble military or police headwear. The group moves in sync, suggesting a coordinated drill or parade. A person with a green cap and black shirt walks alongside the marching group, recording them with a mobile phone. In the background, there's a building and some trees, indicating an outdoor setting that could be a school or a training ground.