Changtu

He summoned a great assemblage of the Khalka tribes on the plain of Dolonor -- the Seven Springs near Changtu -- and he attended it in person, bestowing gifts and titles with a lavish hand.

China Demetrius Charles Boulger 1890

Changtu, the old residence of Kublai, was one of his camps, and it was said that he could bring 100,000 horsemen into the field.

China Demetrius Charles Boulger 1890

Changtu, the Xanadu of Coleridge, the famous summer palace of Kublai, had been destroyed during the campaigns with the Mongols, and Hongwou systematically discouraged any attempt to embellish the northern capital,

China Demetrius Charles Boulger 1890