Bez Davies is correct. I just wanted to note that "going through" implies a fairly large number of items. You would never say I am "going through" one photo. Also, it usually implies looking at each one. PS: You also can say "I was going through the trash, looking for my lost ring," or "I am going through my list of things to do today, and deciding which do do first" (which is an example of what Bez Davies said about sorting items)

Looking at. When you go through something (photos, papers, books) you are looking at them and possibly sorting them.

interacting with in a sequential way. They look at each one in turn, possibly randomly, but (because they are old") rediscovering, revisiting. . People here go through the lists of questions, looking for ones they can contribute to. There were one hundred people on the scene. We had to go through them all, interviewing each and every one. When he passed, he left four filecabinets of files. We had to go through them all to see if any were inportant.