![National Pavilion Day kicks off at 2010 Expo](../../attachement/jpg/site1/20101003/0013729e41a90e122bb40f.jpg)
The national flag of the People's Republic of China is raised in front of China Pavilion to mark the National Pavilion Day for China at the World Expo Park in Shanghai, Oct 1, 2010, which is also the 61st anniversary of the founding of the PRC. [Photo/Xinhua]