Late in the 10th century, the Liao dynasty is at the zenith of its power. The omnipotent Liao rule much of what is now Northeast China, Mongolia, Russia, and much of the Korean Peninsula. Prime Minister Xiao Si Wen and … Tang Yan, Shawn Dou, Charmaine Sheh, Jing Chao, Tan Kai, Liu Yijun, Lu Shan Added on Amazon Prime 2022-12-23.