Chinese national flag flies at half-mast to mourn Sihanouk

Chinese tourists walk under the Chinese national flag as it flies at half-mast at the Tiananmen Square in Beijing, Oct 17, 2012, as a mark of respect for Cambodia's former King Norodom Sihanouk. Sihanouk died of natural causes in Beijing on Monday at the age of 90, according to local media. [Photo/Agencies]