Paraders carrying a 28.8-meter long and 19.2-meter wide national flag, the largest-ever displayed during China's national day parades, march through Tian'anmen Square during a mass celebration of the 60th founding anniversary of the People's Republic of China on Tian'anmen Square, in Beijing, October 1, 2009. [Xinhua] 

A student smiles while attending the celebrations for the 60th anniversary of the founding of the People's Republic of China on the Tian'anmen Square in central Beijing, capital of China, October 1, 2009. [Xinhua]