In order to save the only complete arched street in the ancient capital of the Four Dynasties from being destroyed by political factors, Liang Sicheng and haing s ngor had a heated argument. Soon, Lin had a face-to-face conflict with Wu Han at a dinner hosted by the Ministry of Culture for students from famous European and American cultural relics schools. She pointed to Wu Han's nose and loudly condemned, "You really tore down the antique, and you will regret it later! Even if it is repaired, it is at best a fake antique! " From 1930 to 1945, Liang Sicheng and Lin visited more than 200 counties in China 15 provinces, surveyed and measured more than 200 ancient buildings, and obtained many discoveries dating back to the Tang and Song Dynasties. Through investigation, many ancient buildings have been recognized and protected by the world, such as the stone bridge in Zhaozhou, Hebei Province, the wooden pagoda in Yingxian County, and the Bugu Temple in Wutai Mountain. Liang Sicheng's work laid a solid scientific foundation for the study of ancient architecture in China. Lin also wrote more than 20 papers, prefaces and epilogues about architecture, some of which were written in cooperation with Liang Sicheng. 1At the end of 948, the People's Liberation Army surrounded Beiping. Liang Sicheng and his wife thought that countless centuries-old buildings in the ancient city might be destroyed by war, and they could not sleep at night. 1949 One day at the beginning of the year, two PLA soldiers suddenly came to Liang Sicheng's house with a military map of Beiping. They asked Liang Sicheng and his wife to circle the positions of all important cultural relics in red pen so as to protect them as much as possible when they were forced to attack the city. This move made Liang Sicheng and his wife very moved and immediately eliminated their doubts about the producer of * * *. After the liberation of Beiping, Lin was employed as a professor of architecture in Tsinghua University, teaching the architectural history of China, and offering special topics such as "Introduction to Housing" for graduate students. After the founding of People's Republic of China (PRC), He Sicheng showed unprecedented enthusiasm for Lin. Liang Sicheng founded the Department of Architecture in Tsinghua University, where both husband and wife teach. From 65438 to 0950, Lin was appointed as a member of the Beijing Municipal Planning Commission and made constructive suggestions on the overall planning of the capital. 195 1 year, she served as a member of the Construction Committee of the Monument to the People's Heroes and undertook the task of designing decorative patterns and wreath relief patterns for the monument. From 65438 to 0952, she participated in the interior decoration design of Huairentang in Zhongnanhai, and also participated in the Asia-Pacific Peace Conference held in Beijing. Lin is also very concerned about the revival of traditional handicrafts, and has designed many new patterns with national style for cloisonne, porcelain and other traditional handicrafts on the verge of bankruptcy, and personally participated in the trial production. 1953 In May, Beijing began to plan to demolish archways, and large-scale demolition of ancient buildings began in this city. Liang Sicheng has been criticized many times for advocating traditional protection of the ancient city of Beijing. Seeing that the ancient city of Ming and Qing Dynasties was brutally demolished, Liang Sicheng and Lin and his wife caressed bricks and wept bitterly. Wu Han, then vice mayor of Beijing, was responsible for explaining the demolition work. In order to save the only complete arched street in the ancient capital of the Four Dynasties from being destroyed by political factors, Liang Sicheng and haing s ngor had a heated argument. Soon, Lin had a face-to-face conflict with Wu Han at a dinner hosted by the Ministry of Culture for students from famous European and American cultural relics schools. She pointed to Wu Han's nose and loudly condemned, "You really tore down the antique, and you will regret it later! Even if it is repaired, it is at best a fake antique! "