Escher in the City

Here is a digitally manipulated photo created in the style of M.C. Escher, purposefully designed to make you question which way is up. How many different photos were used in creating this photo?


Which Way
created by sirchopsalot
@ PST
Kudos to Sirchopsalot for a wonderful creation.

Below is a montage of the original images used to create this very interesting Escheresque image. If you guessed nine different photos, congratulations you are correct.