A traditional August eco-lesson was held today on the basis of the Children's Railway in Kazan. 30 children from the rehabilitation centers "Aprel" and "Solnechnyi", wards of the Alpari charitable foundation went on a journey from the Izumrudnyi to Molodezhnaya station and back. Here, in the open air, they learned a lot about the nature of their native land, competitions, games and ecological experiments were held for them.