Introduction to ancient willows: There are many ancient willows on the banks of Liuhu Lake. Among them, those with thick girdle trees are known as "Zuogong willows". It is said that when Zuo Zongtang, a famous general in the Qing Dynasty, regained Xinjiang, he saw the drought in the northwest and ordered the soldiers to plant them along the way. , known as the "guiding tree" by the common people.