David Graves (in the blue shirt) had just taken a photograph. He next viewed it on the back of his camera to determine if it passed muster. The fence was in front of a church in downtown Lima, Peru.

A woman dressed as a zombie in bloody clothing, raised a camera to photograph the Zombie Mob and it wound its way along the sidewalks of San Francisco.

A photographer stood with legs spread in the middle of Market Street. He braced himself to better photograph the end of the contingent that had just passed by. All around his feet were the dregs of spent fire crackers.

A couple with arms around each other, posed for a selfie. A photograph of themselves in a plaza in Lima Peru.