With information about the socio-economic development of the Tang Dynasty and poems describing the Tang Dynasty capital Chang'an, talk about what you saw and heard in the Tang Dynasty?

Du Fu's poem "Recalling the Past": "Recalling the heyday of Kaiyuan in the past, there are still thousands of families in the small town. The rice is greasy and the corn is white, and the public and private warehouses are both abundant." The poem means that during the heyday of Kaiyuan, Even small counties have tens of thousands of households. Agriculture has had bumper harvests year after year, public and private warehouses are filled with grain, and people's lives are very prosperous.

Han Yu's poem "Early Spring": "The light rain on the street is as moist as crisp, and the color of grass looks far away but not up close. The most advantageous thing about spring is that it is better than the smoke and willows all over the imperial capital." The meaning of the poem is that the small trees on Chang'an Street The spring rain is as smooth as crisp. There is no green color from a close look, but the grass is green from a distance. Early spring is a great time of year, much better than late spring when the city is full of willows and smoke.