Biggest ever? Video of giant marijuana plantation in Mexico

Follow us on and Mexico’s biggest-ever marijuana plantation has been discovered by authorities, 250 kilometres south of the U.S. border. It covers almost 300 acres (120 hectares) and is watered by an advanced irrigaton system. Last year, investigators found a tunnel running from Mexico to the U.S. that was fitted out with lighting, ventilation and a railway to transport drugs. They also uncovered 40 tonnes of marijuana.