There were a lot of people walking from the U.S to Mexico, and many of them appeared to be Mexican citizens. We did a bit of a double-take when we realized they had been shopping in the U.S. Aren't the bargins supposed to be on the Mexican side? Crossing on foot from either side takes only minutes, but by auto it can be much longer -- we saw long lines of cars and busses waiting to pass through U.S. customs.
Here are some photos from the trip. The last photo was taken as we took a refreshment break in a restaurant. Our waiter, who was kind enough to direct us to the safer sections of town, also supplied a couple props and took this photo. No, we didn't keep the hats!