classroom setting with multiple individuals, predominantly males, seated at individual desks

classroom setting with multiple individuals, predominantly males, seated at individual desks. Most are wearing similar green uniforms, and some appear to be resting their heads on their hands or arms on the desks, exhibiting signs of fatigue or boredom. The classroom has wooden desks, simple metal chairs, and fluorescent lighting. The walls are plain and painted white. There are notebooks and other items on the desks. A partially visible tattoo is on the forearm of one of the individuals in the foreground. The general atmosphere appears to be one of a formal training session, possibly for uniformed personnel.