The "one bridge" in the book refers to the Wuhan Yangtze River Bridge, and the "graben" refers to the traffic ditch. "A bridge flies north and south, and natural hazards become a thoroughfare" means that after the completion of Wuhan Yangtze River Bridge, the natural hazards of the Yangtze River have become a smooth road. Evaluation of Wuhan Yangtze River Bridge 1957, Wuhan Yangtze River Bridge was completed, which Mao Zedong called "a bridge flying north and south, and a big ditch turning into a thoroughfare", vividly describing the majestic momentum of Wuhan Yangtze River Bridge and its important role in China's north-south traffic.
"The Jade Emperor blows the Yellow Crane Tower, and plum blossoms fall into the river in May."
"but I looked home, and the twilight was getting thicker? There is a sad mist on the river waves. "
In the late Ming and early Qing Dynasties, Hankou was listed as one of the four famous towns in China, along with Zhuxian Town in Henan, Foshan Town in Guangdong and Jingdezhen Town in Jiangxi, and was known as "Oriental Chicago" overseas. Hankou's port trade and transportation are quite developed, and it has become the largest inland port in China. There are scenes of "ten-mile sails near the city, and lights are on all night" (Wu Qishi) and "Jia Manyi, a resident merchant, is the first prosperous place in Chu".