Local residents buy breakfast at a marketplace in Biancheng Town of Huayuan County, Xiangxi Tujia and Miao Autonomous Prefecture, central China's Hunan Province, March 19, 2025. Biancheng Town of Huayuan County, Xiangxi Tujia and Miao Autonomous Prefecture, central China's Hunan Province, the prototype of Chinese author Shen Congwen's masterpiece "Border Town", is located at the junction of Hunan, Guizhou provinces and Chongqing Municipality. (Photo: Xinhua)

An aerial drone photo taken on March 19, 2025 shows a view of a marketplace in Biancheng Town of Huayuan County, Xiangxi Tujia and Miao Autonomous Prefecture, central China's Hunan Province. (Photo: Xinhua)

A drone photo taken on March 18, 2025 shows tourists taking photos at a boundary monument located at the border of central China's Hunan Province, and southwest China's Chongqing Municipality and Guizhou Province. (Photo: Xinhua)

An aerial drone photo taken on March 18, 2025 shows tourists taking a boat tour on the Qingshui River which runs through Biancheng Town of central China's Hunan Province and Hongan Town of southwest China's Chongqing Municipality. (Photo: Xinhua)