![](https://rioonwatch.org/wp-content/uploads/2022/07/Chama-do-biogás-326x245.jpg)
Watch the Vale Encantado Favela’s Sewage Treatment Biosystem and Solar Panel Launch [VIDEO]
Clique aqui para Português This English-subtitled video shows the launch day for the sewage treatment biosystem and solar energy system in the small community of Vale Encantado, in Alto da Boa Vista, in Rio […]