Duolun (;, Doloon nuur, seven lakes; also: To-lun, Dolon Nor, Dolonnur),'s a town of the Xilin Gol League in the Inner Mongolia Autonomous region, China. (Location: .) It's of historical importance because the remnants of Xanadu, the summer capital of Kubilai Khan and the following Mongol emperors of the Yuan Dynasty (13th and 14th century), are located some 17 miles north-west of the modern town. Beginning in the 17th century, the Manchu emperors of the Qing Dynasty developed the city as a reli… (More on Duolun)