About the author Philip Ewing has been an enthusiastic amateur photographer since his 35mm days on the university student newspaper. Today he works as a journalist in Washington, D.C. You can find more photos at http://metrocommutr.tumblr.com/ Photographers love to insist the camera doesn’t matter – our creative vision is what truly makes a picture, as the old bromide goes – but inside the family, we know a camera can make a huge difference. When I decided to make a serious go at a photo project documenting my daily life on Washington, D.C.’s Metro underground system, I did not begin with a clear sense for what the images should be. Sometimes you can imagine a photo beforehand and getting it is just a matter of execution. Sometimes you sense there’s a picture out there … you almost smell it … but you don’t know exactly what it is or how to capture it. This was one of those. So starting last year, I began taking a camera with me every day on trips to work and around town. There were …