This is Depht because the gray rays are overlapping each other .

This is framing because the subject is being isolated .

The subject is the tall building but it is being balanced by the tree and the smaller brown building with the lamp post .

It is experimentation because it uses the rule of thirds and you no longer have to worry about the photo because your experimenting with your work .

The background is gray which is one solid color that makes the subject stand out to the human eye .

This is considered view point point because the subject is from a down low level and the photographer is in a upper level .

The pattern in that the stairs go down and keep going . Also the pattern of the stairs are the same they look exacly the same and similar .

The subject is on the right middle corner which is using the rule on thirds . If u divide the picture in 9 equal segments by 2 line vertical & horizontal , the subject is in between the right middle corner .