Old forest reservoir “Plotina”, Moscow region, Russia. Reservoir Plotina (Dergaev reservoir) and locks. Created at the end of the 19th century by the manufacturers Malyutins in order to preserve and replenish Lake Borisoglebskoye, in the city of Ramenskoye. The Dergaevsky Canal, as well as a system of locks and smaller canals, feeds Borisoglebskoye Lake. Created at the end ...