Simple. It's called framing. It creates a border around the object you want to capture, which naturally draws your eyes to it. Here's a couple links with several examples. You don't have to read the text; the framing will be quite obvious once you know it's a thing. https://streetbounty.com/framing-in-photography-with-dan-ginn/ https://www.widewalls.ch/magazine/framing-in-photography P.S. They wouldn't need to edit it out. Just stick the camera a bit farther forward. Also, in this particular instance it shows you that they're patrolling near a fence, adding to the 1000 words of a picture. ------------ Edit: If you websearch it, "photography framing" gives you better results.