BEIJING, Jun. 16, 2016 (Xinhua) -- This file photo shows a lady walking past a wall covered with murals and graffiti in Rio de Janeiro, Brazil on March 23, 2014. The Rio 2016 Olympic Games will be held from August 5 to 21. (Xinhua/Xu Zijian)
BEIJING, Jun. 16, 2016 (Xinhua) -- This file photo shows a lady walking past a wall covered with murals and graffiti in Rio de Janeiro, Brazil on March 23, 2014. The Rio 2016 Olympic Games will be held from August 5 to 21. (Xinhua/Xu Zijian)