A view of the entrance to a tunnel under construction found by soldiers at a recycling plant at the Otay Mesa industrial park in Tijuana, July 12, 2012. The Mexican Army located the tunnel in this border, which would be used for smuggling drugs, weapons and persons into the United States, local media reported. The excavation, which is approximately 3 meters deep, 1.70 meters high, and 150 meters long, had ventilation and lighting. No detainees were reported