You You read my mind without Wushan Yanyun .
幽幽我心无念巫山烟云。
During the reign of Taizong of Liao , Liao acquired sixteen cities of Yanyun from Shi Jingtang and started from which it began to extend to the Central Plain .
辽太宗耶律德光统治时期，辽国从石敬塘的手中得到了燕云十六州。以此为基础，辽开始了对中原地区的扩张。
yanyun