There are three people visible in the image. They appear to be engaged in some activity, possibly related to the machinery in the foreground. The person on the left is wearing a dark-colored shirt and appears to be working with the machinery. The person in the middle is also dressed in dark clothing and seems to be holding a tool or equipment. The person on the right is wearing a light-colored shirt and is standing slightly apart from the other two. The machinery they are working with has a large engine and various components, suggesting it might be a piece of industrial equipment.