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
The v-shaped window sign that participants hung outside their window for a month. Two sampling tubes were attached on the inside. CurieuzeNeuzen