Merger: This is a merger because while the two people in the photo where back to back taking a photo people were walking in the background and they where a huge distraction.

Frame: This is a frame because in the middle there is a person and the walls look like a frame leading down to the person down the hall.

Simplicity

Rule Of Thirds

Balance: this is balance because there are two human figures.

Lines: This is lines because when you look at the celling there are a whole bunch of lines connecting to the middle of the celling.