Guazhou: The town name is located in the north bank of the Yangtze River and the southern suburb of Yangzhou, which is on the Yangtze River in the south of Yangzhou today. The Beijing-Hangzhou Canal branches into the river here.

Zhongshan: Purple Mountain in Nanjing today.

The extended information "Boating in Guazhou" is a seven-character quatrain written by Wang Anshi, a writer in the Northern Song Dynasty. The first sentence in the poem reveals a relaxed and happy mood by writing that the distance between Jingkou and Guazhou is short and the speed of the ship is fast. In the second sentence, the poet looks back at Zhongshan where he lives and is reluctant to part; The third sentence describes the Jiangnan scenery full of spring; Finally, I ended in a questioning tone, emphasizing my yearning for my hometown again. The whole poem is lyrical both in scenery and narrative, with an open realm and fresh style.

References:

Baidu Encyclopedia-Boating Guazhou