There are four individuals in the image. The person on the left is wearing a white shirt and dark pants, standing with their hands behind their back. The person next to them is dressed in a dark jacket and light-colored trousers, also standing with their hands behind their back. The third individual is wearing a dark jacket and light-colored trousers, standing with their hands behind their back as well. The fourth person is wearing a light-colored shirt and dark trousers, standing with their hands behind their back.