GUANGYUAN, June 4, 2016 (Xinhua) -- Citizens are seen at a coastal park near an outfall along the Dongbin Road in Shenzhen, south China's Guangdong Province, June 2, 2016. The city planned to carry out 463 projects, including the construction of 1,000 km sewage treatment pipelines and comprehensive managements of 144 rivers, to improve water-related environment quality this year, with total investment of more than 1.524 billion U.S. dollars. (Xinhua/Mao Siqian)