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

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

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

Sanitation workers conduct disinfection after flood in Hebei Province-Xinhua

PDF) Cities as Assemblages. Proceedings of the XXVI International Seminar on Urban Form 2019 2-6 July 2019, Nicosia, Cyprus. Volume 2.

Applied ai hi-res stock photography and images - Page 2 - Alamy

Sanitation devices, cleaning robots put to use at Shanghai Railway Station to ensure passengers' safety-Xinhua

Pic story of sanitation worker as NPC deputy-Xinhua

Sanitation Worker's Day celebrated nationwide[1]

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

Pic story: sanitation worker as NPC deputy-Xinhua

River patrolling hi-res stock photography and images - Page 6 - Alamy

House Hearing, 112TH Congress - Congressional-Executive Commission On China Annual Report 2012, PDF, China