The ancient city of Liao Upper Capital Linhuang City was built by the Khitan people in the 10th century AD and served as the center of the Liao Dynasty. It was a remarkable city divided into north and south sections, with the north being the imperial city and the south accommodating Han Chinese and other groups. The city played a crucial role in cultural exchange and trade between northeast Asia and inner Asia. Its rediscovery in the Qing Dynasty shed light on its significance in ancient civilization along the West Liao River.