Along Mariposa Port of Entry in Nogales, Mexico, cattle corrals line the southern border between Sonora and the U.S. The corrals will help keep cattle crossing the border, even if Sonora experiences more violence.

The corral construction started in May and should be finished by the start of the season, which runs from October to March, despite rainstorms which have held up the construction, Curt Prendergast reported for Nogales International. In 2013, more than 160,000 cattle crossed through Nogales.

“We hope we never have cause to use this facility, but it’s here if we need it,” Jere Dick, an administrator with the Animal and Plant Health Inspection Service of the USDA, said to those who showed up for the corrals' unveiling on Thursday morning.

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