What are the poems and background stories of Du Fu's Stone Trough?

This is a poem by Du Fu describing the sufferings of people's livelihood during the An Shi Rebellion. This poem vividly describes the turbulent society in which Ding was arrested by officials who were preparing to expand their troops during the Anshi Rebellion, showing the author's pity and sympathy for the people, condemning the political chaos caused by Tang's indulgence in debauchery and disregard for state affairs, especially accusing the people of war crimes.