A view of the U.S. entrance to a 400-yard (370-meter) cross-border tunnel after authorities recovered 14 tons of marijuana from warehouses in Otay Mesa industrial park and Tijuana, Mexico, in Otay Mesa, California November 16, 2011. Police discovered the tunnel running to California from Mexico, and seized more than 17 tons (12,700 kilograms) of marijuana, U.S. and Mexican authorities said on Wednesday. U.S. federal agents made the discovery after police stopped a small cargo truck seen leaving a nondescript white warehouse building near the Otay Mesa port of entry on Tuesday afternoon, and arrested two men, U.S. Immigration and Customs Enforcement (ICE) agency said. REUTERS/Handout (UNITED STATES - Tags: CRIME LAW DRUGS SOCIETY) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
Mexico's smuggling tunnels
A look at various smuggling tunnels across the U.S.-Mexico border.