北京是举世周知的历史名城。如果从商周蓟城算起,至今已有三千多年的历史。如果,从辽南京、金中都、元大都、明清北京看来,相继建都也已一千多年。但是,现今北京城的规模却奠基于明代。靖难之役以后,明朝决定都城北迁,在元大都旧址上全面规划,重建京师。永乐时修建的就是后来北京的内城。随着城市的发展 Beijing is a well-known historical city. If from the Shang and Zhou Dynasties, has been more than three thousand years of history. If, from Liaoning, Nanjing, Jindudu, Yuan Dadu, Beijing Ming and Qing Dynasties, one after another have also been built capital more than a thousand years. However, the size of Beijing today is based on the Ming Dynasty. After the Jing-ning battle, the Ming dynasty decided to move northward to the city and fully plan and rebuild the capital at the site of the Yuan dadu. Yongle built when the city was later in Beijing. With the development of the city