Aerial photo taken on May 18, 2021 shows workers harvesting salt in a salt field at Binhai Township, Zhanhua District, Binzhou City of east China's Shandong Province. Workers have started harvesting "spring salt" from the 600,000-mu (40,000 hectares) of salt fields at Binhai Township. The total output is expected to hit 500,000 tons when the harvest work concludes by the end of June. (Xinhua/Fan Changguo)
