I’ve been doing a series of in-depth photo guides for travel photographers for KelbyOne, and I’ve done it for locations all over the world (Paris, London, Lisbon, Rome, New York, Tuscany, Venice, and more), where I share the best places to shoot, the GPS coordinates; I show images from each location and give as many insights as I can. I did one for Chicago as well and one of the locations I talked about was a parking garage where you can shoot down on an intersection of the “L” (Elevated trains). When my co-host for the course, Larry Becker, saw the behind-the-scenes shot of me taking the shot (shown above), he asked how I could possibly get the shot straight at...