Aspiring boxers train at a gymnasium under the Alcantara Machado viaduct as cars drive past in the Mooca neighborhood of São Paulo, Brazil. The Boxing Academy of Garrido, founded by Brazilian former pro-boxer Nilson Garrido, uses primitive training equipment that he developed himself during his years as a coach, in a project which aims to take the sport to the poor and marginalised population

Photograph: Nacho Doce/Reuters