Interviews with people on both sides of the border in and around Big Bend National Park, Texas.
Tourists crossing the Rio Grande at Boquillas del Carmen.
Float trips on the Rio Grande are very popular. You're not supposed to get out of your boat on the Mexico side, but there's no one down there to stop you.
In the village of Boquillas del Carmen
Boquillas del Carmen
Photo by Simone Rubi, south of Marfa, Texas.