avoiding mergers

I know its very hard to see but in this pic the photographer has some people cut out

rule of thirds

This pic Applies because there s one of the towers collapsing at the side of the photo 

balance

If you were to look close enough theirs a row of rectangles.

Simplicity

In this photo the blue sky serves as a back round for the twin towers. 

framing

framing is as you can see in this photo the two towers next to the twin towers are serving as a border for the photo.   
 

the rule of lines

lines play an important role in composition as you can see in this horrific photo you see here

Berenice Abbot















Walker Evans

Hill and Adamason