Members of workers' unions wear T-shirts with the portrait of revolutionary leader Argentine-born Ernesto "Che" Guevara during a May Day protest on May 1, 2014, in Medellin, Antioquia department, Colombia. (Getty)
Members of workers' unions wear T-shirts with the portrait of revolutionary leader Argentine-born Ernesto "Che" Guevara during a May Day protest on May 1, 2014, in Medellin, Antioquia department, Colombia. (Getty)