A passerby wearing a Brazilian national flag looks at the extinguished cauldron in downtown Rio de Janeiro, Brazil, on Aug. 21, 2016. (Xinhua/Ren Zhenglai)
A passerby wearing a Brazilian national flag looks at the extinguished cauldron in downtown Rio de Janeiro, Brazil, on Aug. 21, 2016. (Xinhua/Ren Zhenglai)