The metaphor of "like a frame of cursive script" endows the charm and fluency of ancient arch bridge calligraphy, and emphasizes the ingenious structure and smooth lines in the design of ancient arch bridge. This metaphor also implies the similarity between the architectural aesthetics and calligraphy art of ancient arch bridges, which both embody the aesthetics of mobility and the aesthetics of the East.
The expression effect of cursive script is more abundant. First of all, "cursive script" is a form of calligraphy, with natural font flow, undulating lines and dynamic beauty. This can not only be used to describe the aesthetic feeling of the lines of the ancient arch bridge, but also convey through metaphor that the ancient arch bridge is not only a kind of architectural structure, but also contains profound historical and cultural connotations. Secondly, as a form of calligraphy, "grass" itself has a free and unrestrained image, which also implies the free play and ingenious conception of wisdom and creativity of the ancients when building these ancient arch bridges.
Generally speaking, this metaphor connects the aesthetics of ancient arch bridges with the art of calligraphy, which not only emphasizes the beauty of its architectural structure, but also endows it with deeper cultural connotation.