At the U.S. Border, an Invisible Wall Already Exists

For most, The Gateway International Bridge functions as it should, allowing people to get between the U.S. and Mexico. But on a hot Sunday afternoon, a dozen migrants at the mouth of the bridge weren't getting anywhere at all. They had been told, once again, to wait.

"For three days we have been sleeping on the floor and they have been telling us the same thing," one of them, a man named Mbella, told TIME. "But every day, someone else goes and we remain here.