There are three individuals in the image. The person on the left is wearing a red shirt and appears to be standing close to a tree, possibly observing it. The second individual, located towards the center, is dressed in a white shirt and is also near a tree. The third person, situated on the right, is wearing a blue shirt and seems to be standing further away from the trees. All three appear to be engaged in observing the trees, possibly for a natural or environmental study.