Beijing, April 17 (Youth.cn) - On April 14, 2025, in Nangqen County, Yushu Tibetan Autonomous Prefecture, Qinghai Province, at the Baizha Ancient Salt Fields, salt pools of varying sizes dot the landscape, creating a unique vista along the banks of the Lancang River (upper Mekong). This millennia-old salt production site still utilizes traditional sun-drying techniques, transforming its ancient heritage into a modern engine for rural revitalization. Photo/CFP