Repetition the chairs make a repetition
Rule of thirds & Selective Focus : The object is on one side of the picture mainly making it Rule of thirds. And in this photo only the object is clear so it's the main focus falling into the rul of Selective Focus.
Angle (worms eye) : The picture I took is from an angle looking upwards.
Strong subject : The man subject is the skull which took of the whole frame.
Leading lines: This picture consists of a model of a building and it's repeating lines.
Framing: The man Focus is the girl drinking water in the back.
Cropping of body parts #error