* The mighty Yangtze River is the third largest river in the world with a length of 3,900 miles, and it is closest to the Mississippi.
* Colorful Yunnan represents the fast great region to join the Chinese empire. The region lies just below the Tibetan plateau and borders Vietnam, Laos and Burma.
* Tibet is rich in culture heritages. The average height of the whole region is more than 4,000 meters above sea level, for which Tibet is known as ?oof of the World?
