Colonel Samuel Aguilar (R), Commander of the Fluvial Battalion of Marine Infantry No. 24, gives instructions to his colleagues pointing at a map as part of an operation against drug trafficking, at a military base in Buenaventura, Valle del Cauca department, Colombia, on March 17, 2021. - Drug trafficking gangs, which succeeded paramilitaries and guerrillas in the area, have extended their domains to the mangroves surrounding Buenaventura, turning it into a "water-graveyard". (Photo by Luis ROBAYO / AFP)