On December 10, Russian participants paid a visit to Mikkeli (Finland). Follow the link to watch a video about Mikkeli wastewater treatment plant in Russian https://www.youtube.com/watch?v=xZUoJDcQtW8&ab_channel=Mikkelinkaupunki
The link provides information about EcoSairila (three language versions) https://ecosairila.fi/ru/%d0%b3%d0%bb%d0%b0%d0%b2%d0%bd%d0%b0%d1%8f/
Photos from the event in the album.