The poem is "Climbing High." Setting: A famous poet of the Tang Dynasty. His poems reflect the dark side of society and the sufferings of the people. The era he lived in coincided with the An Lushan Rebellion. The society was in turmoil and the people's lives were difficult. He had experienced many hardships and had been displaced many times, but he still persisted in creating a large number of excellent poems and became one of the important figures in the history of Tang poetry.