China. Shanghai. World Expo. Expo 2010 Shanghai China. China Pavilion. A group of chinese tourists walk on an electric blue river, symbol of the Yellow River or Huang He / Hwang Ho inside the Ningxia pavilion. A tower with video scren present the various people living in Ningxia, among them the Hui, one of the officially recognized Nationalities of China. 25.06.10 © 2010 Didier Ruef