To the World Water Day: The exhibition "In a drop of water the world is reflected - hydrographic maps from the funds of the Cartography Department" is presented in the National Library of Russia

In the main building of the National Library of Russia (St. Petersburg) for the World Water Day (celebrated annually on March 22) an exhibition "In the drop of water the world is reflected - hydrographic maps from the funds of the Cartography Department" is taking place.