Technology is awesome. If you take multiple photos of something, this free web app will scrub out anything that changes between the photos—so, say, you're trying to get a shot of cool landmark, the app will effectively delete any tourists who walk in front of you while you're shooting, to give you a single, clean shot. E.g.:
In my case (for the one on Dearborn, by the 'Waj), when:
Oh, the poor GOP, they can't get anything right these days. They remind me of the old Democrats.