The artist Eduardo Kobra is painting the biggest world's graffiti panel on Olympic Boulevard, in the port area of Rio de Janeiro, on July 13, 2016.. The city will receive in the next month the Olympic Games Rio 2016. The panel is still being finalized and when complete will have a area of 3000 square meters. The work titled "Ethnicities" (Etnias) represents natives from 5 continents participating in the Olympic Games (Photo by Luiz Souza/NurPhoto via Getty Images)