Linwu County, Hunan Province
Ancient county, modern lithium — 10,000 Wu Kingdom bamboo slips from 1,800-year-old wells; the 2025 Jijiaoshan lithium discovery (China’s largest hard-rock deposit); the Xianghua Stone national treasure; Linwu duck, one of China’s eight great duck breeds; and the Nanling watershed dividing the Yangtze and Pearl Rivers.