The antithetical couplets in China have an elegant name of Yin Lian and a common name of Dui Zi. When foreigners who www.cnlearnchinese.com read it, they will feel the profound meaning with brief words and the harmonious rhythm. It is an art form with unique language features.
We can say the antithetical couplets are the product of the Chinese characters which originated from the Five Dynasties period. If you come to study Chinese in China, you should know it was prosperous in Ming and Qing dynasties and has a history of more than one thousand years. It has close relationship with poem in forms and rhythm. However, the foreigners who study Mandarin in China should know it is different from poem because the antithetical couplets are more refined in form and more flexible.
In some of the ancient architecture in China, there are many antithetical couplets are hanged. Most foreigners may have seen some long antithetical couplets more than one hundred characters when they learn Chinese in China. Such kind of couplets needs strong ability in language to show the beauty and charm of Chinese language.