Yan’an spirit. The poem "Nanniwan Spirit" expresses the poet's eagerness to inherit and carry forward the Yan'an spirit. He expresses his feelings directly with beautiful verses. At the beginning of the poem, he begins to praise the Yan'an spirit in pursuit, using parallelism and personification techniques to describe the people who lived in Yan'an that year. The battle and life scenes are embodied in tangible things such as "Pagoda Mountain", "Zaoyuan", "Nanniwan" and "Yangjialing", thus praising the noble Yan'an spirit.