There are three people visible in the image. They appear to be working at a dock, possibly loading or unloading cargo. The person on the left is wearing a green shirt and appears to be handling a large container. The person in the middle is also dressed in green and seems to be engaged in the same task. The person on the right is wearing a red shirt and is holding a smaller container. All three individuals are wearing safety helmets, indicating a work environment that requires caution and protection.