The Chinese national flag flies at half mast to mourn Qiao Shi, former chairman of China's National People's Congress Standing Committee, at the Tian'anmen Square in Beijing, capital of China, June 19, 2015. (Xinhua/Xing Guangli)

The Chinese national flag (R) and the flag of Macao Special Administrative Region fly at half mast to mourn Qiao Shi, former chairman of China's National People's Congress Standing Committee, at the headquarters of the government of Macao Special Administrative Region in Macao, south China, June 19, 2015. (Xinhua/Cheong Kam Ka)