Vodokanal of St. Petersburg invites to the International Forum “Ecology of a big city”
Date: 5-7 April 2017
Location: “Expoforum”, St. Petersburg sh., 64, St. Petersburg, 196140
Details here (in Russian)
Date: 5-7 April 2017
Location: “Expoforum”, St. Petersburg sh., 64, St. Petersburg, 196140
Details here (in Russian)