城市建筑像树的年轮,记载城市的历史;像书的文字,积淀城市的文化。历史街区是由一定数量和规模的历史建筑物组成的风貌相对完整的生活地区,是一个城市特色和文化最集中的精华,是传统民族文化、地域文化独特的载体,承担着连接城市的过去、现在与未来的重任。许多城市旧城大规模拆迁,一大批历史街区面临着建设性破坏。这种粗暴抹去历史的做法,给我们的子孙后代留下的将是断裂的历史、永远的遗憾。如何有效地保护和利用历 City buildings like tree rings, record the history of the city; like the text of the book, the accumulation of urban culture. Historical district is a relatively complete living area composed of a certain number and scale of historical buildings. It is a city with the most concentrated culture and culture, and is a unique carrier of traditional national culture and regional culture. It undertakes the construction of the past, Now and the future of the task. In many cities, large-scale demolition of the old city, a large number of historical blocks are facing constructive destruction. Such a crude erasure of history will leave behind the history of the rupture and the forever regret that will be left to our children and grandchildren. How to effectively protect and use calendar