Workers harvest salt in a salt field at Binhai Township, Zhanhua District, Binzhou City of east China's Shandong Province, on May 18, 2021. 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. Photo:Xinhua
A worker operates on a salt pile in a salt field at Binhai Township, Zhanhua District, Binzhou City of east China's Shandong Province, on May 18, 2021. 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. Photo:Xinhua
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. Photo:Xinhua
Aerial photo taken on May 18, 2021 shows the salt ponds 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.Photo:Xinhua
Workers harvest salt in a salt field at Binhai Township, Zhanhua District, Binzhou City of east China's Shandong Province, on May 18, 2021. 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.Photo:Xinhua
Workers harvest salt in a salt field at Binhai Township, Zhanhua District, Binzhou City of east China's Shandong Province, on May 18, 2021. 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.Photo:Xinhua