The Youth Leaders Delegation of Central and Eastern European Countries visited the Chongqing Planning Exhibition Gallery in Chongqing Municipality on Nov. 30. Being the only municipality directly under the central government in southwestern China, Chongqing has now become the economic center of the upper reaches of the Yangtze River, an important manufacturing base, a crucial transportation hub and an ecologically livable metropolis. [Photo by Mi Xingang/China.org.cn]