There are three people visible in the image. They appear to be engaged in some activity, possibly related to the structure they are near. The person on the left is wearing a green shirt and appears to be standing close to the structure. The person in the middle is wearing a yellow shirt and seems to be holding something, possibly a tool or equipment. The person on the right is wearing a blue shirt and is also holding something, likely related to the structure. All three individuals are focused on their task, with no other activities or interactions visible in the frame.