The first stop on our Antarctica trip next January, as it was back in 2002, will be Buenos Aires—a city that I loved and can’t wait to see it again.

In looking at my Buenos Aires photos from 15 years ago, one thing I noticed was that I hadn’t yet learned how to avoid “keystoning” when taking photos of buildings. Keystoning is what happens when you try to shoot a tall building and you have to tilt your camera up to get it all in. That tilt skews the building’s proportions and makes it seem as though the building is falling away. In this post I want to share with you what I’ve learned about how to avoid that problem. Read more