Chinese President Hu Jintao picks up a Chinese national flag sticker that has marked his spot for a group photo taken at the G20 summit in Los Cabos, Mexico on June 18, 2012. Each leader's position was marked with the appropriate national flag sticker. President Hu was the only leader to pick his up. His action has been a hot topic on the Internet. [Photo: Xinhua]
A group photo of the G20 leaders in Los Cabos, Mexico on June 18, 2012.[Photo: Xinhua]
