yangtze

In my shallow reading of Chinese history, I see that non-Han emperors from steppe peoples to the north of China have become emperor, forming the Yuan, Jin, and Qing dynasties. So far I can't seem to find an equivalent for a southern non-Han ethnic group. Your challenge, should you choose to...

Note: I wasn't sure if this belonged in Maps and Graphics or Chat (due to a possible current politics aspect). Please move if necessary. So. What if some Chinese government tried to turn the Taklamakan Desert into a manmade sea, by diverting some of the flows of the Yangtze and Yellow River...