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北京紫禁城是我国明清两代的皇宫,也是世界上现存规模最大的古代建筑群,覆盖面积约100公顷,据说有房9999间半。因为我国古代建筑多为木质结构,防火性能差,故历史上常有火灾发生。据史书上不完全统计,从紫禁城建设初具规模的明永乐十二年(1414年),到清宣统三年(1911年),大清王朝灭亡,在这497年间,皇宫共发生火灾58起,其中明代的230年中,共发生火灾47起,平均每5年发生一起火灾。清代的276年里,共发生火灾11起,平均
The Forbidden City of Beijing is the imperial palace of the Ming and Qing dynasties in our country. It is also the largest existing ancient buildings in the world. It covers an area of about 100 hectares and is said to have 9,999 rooms. Because ancient buildings in our country are mostly of wood structure, fire performance is poor, so the history of fire often. According to incomplete statistics in the history books, a total of 58 fireworks were carried out in the Palace during the 12 years (1414) of the Ming Dynasty that began to take shape from the Forbidden City and three years (1911) to the reign of Qing Xuan and the Qing Dynasty Among them, there were 47 fires in 230 years in the Ming Dynasty, with an average of five fires every five years. In the 276 years of the Qing Dynasty, a total of 11 fires occurred on average