There are three people visible in the image. They appear to be engaged in some form of activity, possibly related to the environment depicted. The person on the left is wearing a green shirt and appears to be holding a green object, possibly a tool or equipment. The person in the middle is dressed in a white shirt and is also holding a green object. The person on the right is wearing a blue shirt and is also holding a green object. All three individuals seem to be focused on their task.