![CHINA-JIANGSU-NANJING-SUMMIT-ENVIRONMENTAL PROTECTION (CN)](136341936_13120593021n.jpg)
Visitors view wastewater treatment equipments during the International Summit of New Environmental Protection Technology 2017 in Nanjing, capital of east China's Jiangsu Province, June 5, 2017. The summit was held here on Monday and Tuesday. (Xinhua/Ji Chunpeng)