A Normandy-style barrier marks the boundry of Sonora, Mexico and the Chilton cattle ranch in Arivaca, Arizona, on Feb 23, 2013. Made of steel railroad rails, it serves to stop smuggler's from illegally driving north into Arizona. A bundled pair of clean socks was probably dropped by one of many illegal immigrants who regularly walk north into the U.S. through the ranch.
Don Bartletti / Los Angeles Times
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