May Day Protests Around the World: Photos You Need to See

A Salvadorean worker wears a T-shirt with the portrait of late Venezuelan President Hugo Chavez and a beret with the portrait of revolutionary leader Argentine-born Ernesto "Che" Guevara as he takes part in the May Day parade organized by the Farabundo Marti National Liberation Front (FMLN) and workers unions in San Salvador, El Salvador, on May 1, 2014. (Getty)