Repetition.

The repetition is evident in this photo because of the many chairs that are aligned in a pattern, and repeating.

This a very good case of repetition. You can see the performers holding up the blue tarps and they are in order in a way that repeats.

This is a clear example of repetition, you can clearly see the many televisions that are exactly the same, and they seem to be repeating. That is repetition.