Answer:
Zhaozhou Bridge was built in the Sui Dynasty between 595 and 605. It has a history of more than 1,400 years. It is the crystallization of the wisdom of the ancient working people and has opened a new situation in bridge construction in China.
Zhaozhou Bridge is the oldest, longest span and best preserved single-aperture open-shoulder stone arch bridge in the world. In 2015, it was awarded as one of the top ten City Business Cards of Shijiazhuang. Zhaozhou Bridge is a single span stone arch bridge, its design is both beautiful and scientific. The structure of the whole bridge is well-proportioned and harmonized with the surrounding scenery. The stone balustrades on the bridge are beautifully carved. The high technical level and immortal artistic value of Zhaozhou Bridge fully demonstrate the wisdom and strength of the Chinese working people. Zhaozhou Bridge is second to none among ancient Bridges in China. According to bridge studies in countries around the world, open-shouldered arch Bridges like these did not appear in Europe until the mid-19th century, more than 1,200 years later than our own. After the completion of Zhaozhou Bridge, the initial name is Zhaojun River Stone Bridge. It was named after the place name and water name of the time, and it was here that the original name began. Zhaozhou Dashi Bridge is the common name of local people. Yongtong Bridge was built on the Ye River (Qingshui River) outside the west gate of Zhaozhou City, later than Zhaojun River Stone Bridge, with similar architectural structure and artistic style, but smaller shape. It is only 2.5 kilometers away from Zhaojun River Stone Bridge, so it is called Zhaozhou Dashi Bridge because its size can distinguish the second north-south bridge. Zhaozhou Bridge is named after a place name. Since the northern Qi Tianbao two years, Yanzhou changed to Zhaozhou, Zhaozhou name from this.