"Eight Diagrams upstairs" is included in the first volume of the second-grade Chinese textbook of People's Education Press, and it needs to be mastered: 16 Chinese characters and 6 words. This paper vividly depicts Chairman Mao's words in a winter night during the hard struggle in Jinggangshan, and shows the spirit of Chairman Mao's selfless work day and night to guide the China revolution.
The octagonal tower 1 paragraph says that Chairman Mao works under the lamp every night. In the second paragraph, Chairman Mao concentrated on writing articles to guide the revolutionary work.