Longnan

Longnan is a prefecture-level city in Gansu province, China. It is situated in the southeastern part of Gansu, bordering Sichuan province to the south and Shaanxi province to the east. The city's geography is characterized by its location in the Qinling Mountains and the Min Mountains, making it a mountainous region with significant elevation changes. The Bailong River, a major tributary of the Yangtze River, flows through Longnan.

Historically, Longnan has been a significant transportation hub and a region with a rich cultural heritage, influenced by its proximity to various ethnic groups and historical dynasties. It is known for its diverse natural resources and agricultural products. The climate varies across the prefecture, with some areas experiencing a subtropical monsoon climate and others a more temperate one.

The economy of Longnan is primarily based on agriculture, forestry, and mining. Efforts have been made to develop tourism, leveraging its natural landscapes and cultural sites. Key agricultural products include grains, fruits, and medicinal herbs. The city faces challenges related to its mountainous terrain and economic development, but it is also recognized for its biodiversity and ecological importance. Longnan serves as a gateway between the Sichuan Basin and the Loess Plateau.