RIO DE JANEIRO, July, 10, 2016 (Xinhua) -- The combo photo taken from July 7 to 8, 2016 on the Rio's street walls shows the graffiti of famous Brazilian athletes, Olympic champion of artistic gymnastics rings Arthur Zanetti in Rio's North zone Tijuca, Brazilian freestyle wrestler Joice Silva in Vila Isabel, Brazilian paracanoeist Fernando Fernandes in Botafogo and World Champion Brazilian pole vaulter Fabiana Murer in Barra da Tijuca (top-down) in Rio de Janeiro, Brazil. The 2016 Rio Olympic Games will be held from August 5 to 21. (Xinhua/Li Ming)