Photo taken on March 17 shows an ecological park in Zhangzhou, southeasten China's Fujian province.
The "river chief" system, a new scheme under which local government officers are named river chiefs and take responsibility for dealing with water pollution, has already improved the quality of China's waterways. The measure was an important agenda item in the 2017 government work report, and has become a focus of public attention in China.
A boat sails in the Jiulongjiang River in Ganzhou, Jiangxi.
A worker cleans rubbish in a river in Zhangzhou, Fujian province.