Poems describing windmills

When Wang Wei rode his bike to the frontier, it was a country that had lived for a long time. He was forced to leave Sai Han and return to Hutian. The desert is lonely, the long river sets the yen. While Xiao Guan was waiting to ride a horse, he was guarded by Ran Yan. In the 25th year of Kaiyuan (737), Cui, our envoy from Hexi, defeated Tubo and appointed Wang Wei as the censor. ...