Clean water supply for slum dweller in Satkhira municipality, Bangladesh GIZ (photo credit: RedOrange/Sabuj Miah)
Aerial view of Ribeirão Quilombo Consórcio Intermunicipal das Bacias Hidrográficas dos Rios Piracicaba, Capivari e Jundiaí
Sludge Treatment Plant, Yokohama City City of Yokohama, http://www.city.yokohama.lg.jp/kankyo/gesui/centerinfo/12src/
The open-to-public screen of monitoring platform Chinese Heritage Conservation Center (CHCC), Beijing