伯尔尼古城于公元12世纪建在阿勒河环绕的山丘上，古城几百年来不断发展进步，但城市的规划理念却始终如一。
Founded in the12th century on a hill site surrounded by the Aare river , Berne developed over the centuries in line with a an exceptionally coherent planning concept .
阿勒河