There are four people visible in the image. They appear to be engaged in some form of construction or engineering activity. The person on the left is wearing a blue shirt and appears to be working with a piece of equipment. The person in the middle is dressed in a white shirt and is standing next to a large structure, possibly a tent or a temporary shelter. The person on the right is wearing a red shirt and is holding a piece of paper or a chart. The person on the far left is not fully visible but seems to be wearing a dark-colored shirt.