There are five people visible in the image. They are all wearing helmets and green work boots. The person on the left is wearing a blue jacket and a yellow helmet, while the person next to them is also wearing a yellow helmet and a green jacket. The third person is wearing a black jacket and a white helmet, and the fourth person is wearing a black jacket and a green helmet. The fifth person is wearing a black jacket and a white helmet. All of them appear to be engaged in some form of construction or industrial work.