In 1271, he declared the creation of the Yuan dynasty and named his capital Dadu (大都, Chinese for "Grand Capital",[REF] or Daidu to the Mongols[REF]).
The inclusion of the Jinshui and Gaoliang rivers gave Dadu a larger supply of water than the Lotus Pool which had nourished Ji, Youzhou, and Nanjing for the previous 2,000 years [REF].