Workers labor at a saltern, making sea salt through seawater evaporation in the summer heat, in costal Zhoushan city, East China's Zhejiang province, on June 20, 2017.
Workers labor at a saltern, making sea salt through seawater evaporation in the summer heat, in costal Zhoushan city, East China's Zhejiang province, on June 20, 2017.
