There are dark snow-capped mountains in Changyun, Qinghai, and the lonely city overlooks Yumenguan.
yellow sand wears golden armor in many battles, and it will not be returned until it breaks Loulan.
Line, a genre of poetry, is about joining the army, and it is the fourth of seven poems written by Wang Changling. This poem reflects the lofty sentiments and ambitions of the soldiers on the frontier who have made meritorious deeds in killing the enemy and defending the country. The first two sentences of the poem depict the scenery of the border area, so as to render the atmosphere of war. The last two sentences concentrate on the fierce war life that the garrison soldiers have participated in for a long time and their lofty sentiments of determination to break the enemy. The magnificent scenery beyond the Great Wall is combined with the grand ambitions of the soldiers, with great boldness of vision and bold style. "Yellow sand penetrates the golden armor in hundreds of battles, and it will never be returned until it breaks the Loulan", which is often used to show the heroism and strong will to kill the enemy and defend the country. Dai Shulun, a poet in the middle Tang Dynasty, wrote a heroic poem, "I wish I could serve my country with this length, but why should I be born in Yumen Pass?" This poem has the same effect as these two sentences.