(250929) -- CHANGSHA, Sept. 29, 2025 (Xinhua) -- An aerial drone photo taken on Sept. 29, 2025 shows a car running on the Sangzhi-Longshan expressway in central China's Hunan Province. The Sangzhi-Longshan expressway opened to traffic on Monday. With a length of about 61.5 kilometers, the expressway connects Sangzhi County in Zhangjiajie and Longshan County in Xiangxi Tujia and Miao Autonomous Prefecture in central China's Hunan Province. (Xinhua/Chen Sihan)