201021) -- HANGZHOU, Oct. 21, 2020 (Xinhua) -- A sanitation worker

State of China Cities 2010/2011 - Better City, Better Life by UN-Habitat - Issuu

State of China's Cities 2012/2013 by UN-Habitat - Issuu

Waste monitoring hi-res stock photography and images - Page 2 - Alamy

Gallery: China Marks Sanitation Worker's Day - Caixin Global

Pic story of sanitation worker as NPC deputy-Xinhua

Waste in river china hi-res stock photography and images - Page 3 - Alamy

Waste management in china hi-res stock photography and images - Alamy

Sanitation workers conduct disinfection after flood in Hebei Province-Xinhua

Pic story: sanitation worker as NPC deputy-Xinhua

Ocean sanitation station dedicated to removal of marine waste in SE China- Xinhua

Pic story of sanitation worker as NPC deputy-Xinhua

Ai cleaning hi-res stock photography and images - Page 5 - Alamy

201021) -- HANGZHOU, Oct. 21, 2020 (Xinhua) -- An unmanned patrolling and waste collecting machine works in a river in Hangzhou, east China's Zhejiang Province, Oct. 21, 2020. A series of high-tech

Waste in river china hi-res stock photography and images - Page 3 - Alamy

201021) -- HANGZHOU, Oct. 21, 2020 (Xinhua) -- A sanitation worker collects wastes from an automatic cleaning machine in a river in Hangzhou, east China's Zhejiang Province, Oct. 21, 2020. A series