Activists (L to R) Yaccer Bernaza, Leonard Renteria, Alvaro Bonilla and Cristian Montano walk at the San Francisco neighborhood in Buenaventura, Valle del Cauca department, Colombia, on March 18, 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)