Farmers harvest salt in Mangkam County of Qamdo, China's Tibet

A salt farmer examines saline stalactites formed by trickling brines in Mangkam County of Qamdo, southwest China's Tibet Autonomous Region, March 11, 2018. Local salt farmers have followed a centuries-old harvesting method by collecting brines from the rocks and drying them in prepared fields until the salt within crystalizes. (Xinhua/Jigme Dorgi)