汉城的清溪川总长度6.27公里,曾是一条由东向西穿越汉城市中心的自然河道,在600年的建城历史中具有重要地位。由于城市人口的不断增加,交通压力逐渐增大,清溪川先是被填埋覆盖成50-80米宽的城市交通道路,而后又在此基础上架设高架道路,成为一条上下 The total length of Cheonggyecheon in Seoul is 6.27 km. It was once a natural river crossing the center of Seoul from east to west and has an important place in the 600-year history of the city. Due to the continuous increase of the urban population and increasing traffic pressure, Cheonggyecheon was first buried in a 50-80 meter-wide urban traffic road, and on this basis, an elevated road was erected to become an up and down