Gabonese actors perform at the ceremony celebrating the National Pavilion Day for the Gabonese Republic, in the 2010 World Expo in Shanghai, east China, July 30, 2010. [Xinhua]

Chinese Health Minister Chen Zhu addresses the ceremony celebrating the National Pavilion Day for the Gabonese Republic, in the 2010 World Expo in Shanghai, east China, July 30, 2010. [Xinhua]