Wan Li has been alone for forty years, and a group of white-haired veterans are guarding the glory of Datang.

Recently, in "Deadpool" chasing the high moon, there was a description of Guo Xin, saying that Anxi Army and its general Guo Xin had been guarding the frontier for more than 40 years, waiting for reinforcements from the Tang Dynasty. Of course, the author must have put aside history and let the protagonist save the Anxi army. But this made me curious about this history, so I learned about it online, and then I sat for a long time with a lot of emotions. Guo Xin, the nephew of Guo Ziyi, invaded the western frontier of the Tang Dynasty from the late Tang Suzong to Yongtai, Tang Daizong. Guo Xin was appointed as the governor of Hexi and Anxi, and after Jules, he served as the fourth town of Anxi. After the Anshi Rebellion, most of the troops stationed in Anxi, Beiting, Hexi and Longyou were transferred, and the Tubo took advantage of it to occupy Longyou and Hexi States one after another, and the passage between Anxi and the court was interrupted. However, the left-behind troops in the four towns are still sticking to the towns alone. Guo Xin was isolated in the western regions for fifteen years, and it was not until the second year of the founding of Tang Dezong (78 1) that it came into contact with the mainland. In 78 1 A.D., Guo Xin, I asked Li Yuanzhong and others to send envoys to report the current situation to the imperial court through Uighur: Anxi four towns, especially here today. At this time, it is already the year of Tang Dezong. Everyone thought the four towns of Anxi had been lost, but Guo Xin and others were still holding on. In this regard, the court was very moved up and down, and Tang Dezong ordered the soldiers in Anxi four towns to be promoted to seven levels. But it just moved the capital, and the court could do nothing to give any assistance to the four towns of Anxi. In the third year of Zhenyuan in Tang Dezong (787), the Tubo army captured the Northern Court, and Anxi lost contact with the mainland again. The exact time to capture the North Yard is unknown, but what is certain is that Guo Xin and the last batch of foot soldiers were killed in battle, and none survived. For more than 40 years, Guo Xin led soldiers to kill the enemy bravely and shut the enemy out. He changed from a warm-blooded youth to a white-haired veteran, from an army of more than 20,000 people to an army of thousands. He still didn't reduce his desire to kill the enemy, and he still guarded the glory of Datang. A poem says, "Wan Li guards the lonely city, while white-haired soldiers open the door. Whoever does not pity his parents will not miss the court. When the parents are away, when will the reinforcements be born? I will wait for the ancient years, and the soul will be broken. " This is an excellent tradition of our Chinese nation. Those who make me strong will be punished far away. We will always remember the heroes who defended our motherland.