1. Meishan, known as Meizhou in ancient times, is the hometown of Su Dongpo, a millennium-old writer. It is an important part of the national Tianfu New Area and is known as the "Thousand-year-old Poetry and Book City" and "The First Humanity State".

2. Zigong was built as a city because of salt. The two words "Zigong" and "Gong" are derived from the names of two salt wells, "Ziliujing" and "Gongjing". At the same time, Zigong is also an important source of dinosaur fossils in China and is known as the "Hometown of Dinosaurs". It is famous at home and abroad for having the Zigong Dinosaur Museum, one of the three largest dinosaur museums in the world.

3. Ya'an is located at the intersection of Sichuan-Tibet and Sichuan-Yunnan highways, 120 kilometers away from Chengdu. It is the transition zone between the Sichuan Basin and the Qinghai-Tibet Plateau, the transition zone between Han culture and national culture, and the transition zone between modern central cities and The transition zone between primitive natural ecological zones is the gateway and the only way to pass through the ancient Southern Silk Road.

4. Guang'an, a prefecture-level city in Sichuan Province, is located in the eastern part of Sichuan Province. It is located in the mid-subtropical humid monsoon climate zone with four distinct seasons, warm climate, abundant rainfall, and rich products. The Jialing River and Qujiang River merge into the Yangtze River in a zigzag manner. Huaying Mountain, Tongluo Mountain, and Mingyue Mountain are parallel to the east of the city. It covers an area of ??6,339 square kilometers.

5. Mianyang, a prefecture-level city in Sichuan Province, is located in the northwest of the Sichuan Basin and in the middle and upper reaches of the Fujiang River. It borders Qingchuan County and Jiange County of Guangyuan City to the east and Nannan County and Xichong County of Nanchong City; Shehong City of Suining City to the south; Luojiang District, Zhongjiang County and Mianzhu City of Deyang City to the west; and Aba Tibetan and Qiang Autonomous Prefecture to the northwest. It borders Wen County in Gansu Province.