北京的胡同是一种传统的街道形式。最早出现在元代的胡同,横纵包围了四合院,聚居在紫禁城周边。之后的几百年里,胡同跟随着一代一代的居民,长成为一个奇特的居住地。根据1949年的一项统计,有6074条胡同已经有了名字,还有成千的小胡同还没有被取名。然而根据2005年的一项研究,只有1571条胡同在改造时幸存下来,其中不到一半的胡同被认领保护。剩下的900多个还未取名的胡问渐渐走散在了 Beijing’s alley is a traditional street form. The earliest appeared in the Yuan Dynasty alley, vertical and horizontal surrounded the courtyard, living in the Forbidden City around. After hundreds of years, Hutong followed a generation of residents, has become a peculiar place of residence. According to a 1949 statistics, there are 6,074 alley names already, and thousands of little alley have not yet been named. However, according to a 2005 study, only 1571 alleyways survived the transformation, of which less than half were claimed as protection. The remaining more than 900 unnamed Hu asked gradually disappeared