1. Who has not died since ancient times, take the heart of Dan as Han Qing (Wen Tianxiang)
2. Although a country is divided, mountains and rivers still exist, and trees and grass turn green again in spring (Du Fu)
3. Businessmen don't know how to hate their country, but they still sing backyard flowers across the river (Du Mu)
4. A mist rises from Yungu and Menggu and has been hanging over Yueyang City (Meng Haoran).
Use the ancient poems above to make parallelism sentences, and use them all.