Reporter Dianna M. Náñez joins members of the Tohono O’odham Nation at the border in southern Arizona’s Sonoran Desert, where ancestral lands cross into Mexico. Tribal members are allowed to cross freely back and forth into the Mexican state of Sonora, but that could change with a border wall.

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This episode was recorded, edited and produced by Hannah Gaber, with field interviews and sound from Cheryl Evans. Kaila White was our production manager. Our technical director was Nate Kelly. It was written by Dianna M. Náñez, Shaun McKinnon and Nicole Carroll.