The three cultures in the Yangtze River Basin are as follows:

1. Bashu culture, which originated in the Sichuan Basin, is one of the four major cultures in ancient China. Bashu culture is characterized by diligence, bravery, wisdom and innovation. The people of Bashu have created rich material civilization and spiritual civilization in their long-term production and life. The bronzes, pottery, jade and other handicrafts in the Bashu area are of high artistic value and reflect the superb skills of the Bashu people.

2. Chu culture is characterized by enthusiasm, romance, independence and innovative spirit. Chu culture has made great achievements in music, dance, painting, architecture, etc. Chu Ci is a treasure of Chu culture. With its beautiful verses, rich imagination and profound ideological content, it has become a treasure of Chinese classical literature.

3. Wuyue culture originated in Jiangsu and Zhejiang areas. It is the cultural tradition of Wu and Yue during the Spring and Autumn Period and the Warring States Period. Wuyue culture is characterized by diligence, thrift, courage and innovation. The agriculture, handicrafts and commerce in the Wuyue area are very developed, especially the silk, ceramics and other industries are at a very high level. The garden architecture, calligraphy, painting and other art forms in the Wuyue area also have unique styles.

The far-reaching significance of the Yangtze River Basin

1. Ecological and environmental value: The Yangtze River is one of the most important water sources in China, providing abundant water resources for eastern and central China. The ecological environment of the Yangtze River Basin is extremely diverse and is home to many rare and endangered species, such as Chinese sturgeon, Yangtze finless porpoise, giant panda, etc. Therefore, the Yangtze River Basin is of vital value to China's ecology and environment.

2. Economic value: The Yangtze River Basin is one of the important engines of China’s economic development. Provinces in the Yangtze River Basin such as Jiangsu, Zhejiang, Anhui, Hubei, etc. are important parts of China's economy. The industry, agriculture, and service industries of these provinces all occupy an important position in the country. The economic development of the Yangtze River Basin plays an important supporting role in China's overall economic development.

3. Cultural value: The Yangtze River Basin is one of the birthplaces of Chinese culture, with a long history and profound cultural heritage. The cultural heritage of the Yangtze River Basin includes ancient civilization sites, world-famous water conservancy projects, various art forms and literary works, etc. These cultural heritages have important cultural value to China and the world.