北京是辽、金、元、明、清五朝古都及中华人民共和国首都,有六、七百年的历史,留下许多古迹,现在的北京城区基本上是明朝的遗址,1949年后经多次拆改、扩建,面貌大为改观,一些湖泊、河道、园林发生很多变化,但许多街道地名有的仍保持原来的名称,却名实不符。如有的河道淤塞,或改建为地下管道,早已没有桥,但此地的名称仍叫做“某某桥”(如北新桥、天桥), Beijing is the capital of Liao, Jin, Yuan, Ming and Qing Dynasties and the capital of the People’s Republic of China. It has a history of six to seven hundred years and leaves many monuments. Now Beijing’s urban area is basically the site of the Ming Dynasty. After 1949, Repeatedly demolition and reform, expansion, the appearance of a lot of change, a number of lakes, rivers, gardens have undergone many changes, but many of the names of the streets still maintain the original name, but the name does not match. If some rivers silted, or converted into underground pipelines, there is no bridge, but the name of the place is still called “certain bridge” (such as Beixinqiao, flyover)