Bridge opening is not an ordinary semicircle, but an arch.
Zhang said in the Tang dynasty that it was "made strangely, and people don't know why."
4. Zhang Kun of the Tang Dynasty said that looking at this bridge from a distance is just like "a cloud rises at the beginning of the month, and Changhong paints a stream".
(1) These figures show that Zhao Zhouqiao is very spectacular.
(2) Using metaphor, the shape of Zhao Zhouqiao Arch is vividly depicted, which shows that there is no steep slope on the road above the arch.
(3) Citing ancient books, it shows that Zhao Zhouqiao's design conforms to scientific principles and the construction technology is ingenious.
(4) Quoting ancient books and using metaphors, Zhao Zhouqiao's form is beautiful.