Part I: Sunrise in the East Shines on Kyushu: The sun rises in the East and shines on Kyushu (the ancient name of China).
Part II: Rivers and mountains are everywhere in Wan Li: a thriving scene of rivers and mountains in Wan Li.
The original intention of couplets expresses that China is endless, and it is still difficult to shine after suffering.
Extended data:
Couplets, one of the traditional cultures in China, also called couplets or couplets, are antithetical sentences written on paper, cloth or engraved on bamboo, wood and columns. The antithesis of couplets is neat and even, which is a unique artistic form of Chinese language. Couplets are the treasures of China traditional culture.
Baidu encyclopedia-couplets