National Geographic : 2017 Sep
132 national geographic • SepteMBer 2017 | PROOF | A PHOTOGRAPHER’S JOURNAL I assumed this fence near Los Indios, Texas, wasn’t finished when I photographed it, but two years later nothing had changed. Today it functions more like a sculpture than a barrier. The caretaker of a playground (top right) in Gadsden, Arizona, says that the adjacent wall ruins the sunset. In the 19th century, obelisks called border monuments—like this one in Patagonia, Arizona (bottom right)—marked the divide.