TOPSHOTS - A soldier guards a shipment of 3,9 tons of cocaine seized in a large clandestine laboratory for the production of the drug, during its presentation to the press on March 16, 2013, at the military air base in Tumaco, Narino department, Colombia. Soldiers from special counternarcotics brigade found and destroyed on 13 March, in the municipality of Timbiqui, Cauca deparment, a huget laboratory to produce cocaine, considered by authorities as the largest collection center for alkaloids processing of the Revolutionary Armed Forces of Colombia (FARC) and from which drug was sent to Central and North America, officials said. TOPSHOTS / AFP PHOTO / Guillermo Legaria