The book "Lanzhou" refers to "Lanzhou Story", beef noodles, Gaolan Mountain and the Yellow River.

1. "Lanzhou Story": This is a novel written by Du Qi, an associate professor at the School of Liberal Arts of Lanzhou University. It depicts the subtle relationships between people in modern cities and the relationship between each person in the modern city. Life experiences at different stages.

2. Beef noodles: Lanzhou beef noodles are one of the specialties of Lanzhou. It uses beef and ramen as the main raw materials, and adds chili, pepper and other seasonings. It tastes spicy and delicious and is the favorite of Lanzhou people. .

3. Gaolan Mountain: This is a mountain in downtown Lanzhou. It is one of the symbols of Lanzhou and a good place for leisure and entertainment for Lanzhou citizens.

4. Yellow River: This is the mother river of China and one of the symbols of Lanzhou. The Yellow River passes through the city of Lanzhou and is the main water system in the urban area of ??Lanzhou. It is also a good place for leisure and entertainment for Lanzhou people.

Lanzhou’s climate characteristics:

1. Temperate continental climate: Lanzhou is located inland and has a temperate continental climate. It is characterized by four distinct seasons, cold and dry in winter, and cold and dry in summer. It is hot and rainless, and spring and autumn are relatively short. Due to Lanzhou's special geographical location and complex terrain, the climate is also diverse.

2. Dry and less rainy: Lanzhou’s average annual precipitation is 327 mm, mainly concentrated from June to September, which is also the rainy season in Lanzhou. In other seasons, Lanzhou's climate is relatively dry with less rainfall. Although there is little precipitation during the rainy season, due to the unique topography of the Lanzhou area surrounded by mountains in the north and south, urban rainwater can be fully stored, providing convenience for urban life and agricultural production.

3. Sufficient sunshine: Lanzhou has long sunshine hours, with an average annual sunshine hours of 2446 hours and a frost-free period of 180 days. This climate feature with sufficient sunshine allows plants in Lanzhou to grow luxuriantly and crops to grow smoothly. At the same time, Lanzhou is also very rich in solar energy resources, which is of great significance to energy development.

4. Four distinct seasons: Lanzhou has four distinct seasons, and each season has its own unique beauty. Lanzhou is full of flowers in spring, has a pleasant climate in summer, is golden in autumn, and is covered with white snowflakes in winter, giving people a sense of tranquility.