Spring Clouds, Summer Rain, Autumn Moon Night, Tang Poems and China's Articles
The first couplet describes the most beautiful scenery in each season. Clouds in spring, rain in summer and moonlit night in autumn are the most beautiful things in this season.
The second couplet is the most prominent literary form describing each dynasty. Poetry and songs in the Tang Dynasty, calligraphy in the Jin Dynasty and Fu in the Han Dynasty were the most outstanding literary arts at that time.