There are five people visible in the image. They appear to be engaged in construction work. The person on the left is wearing a blue shirt and appears to be working with rebar. The person next to them is also wearing a blue shirt and is holding a bottle. The third person is wearing a white shirt and is standing near a green bottle. The fourth person is wearing a black shirt and is holding a green bottle. The fifth person is wearing a red shirt and is standing near a green bottle.