The northern lowlands are areas of glacial deposition, and, appropriately, their surface is diversified by such features given that the Valdai Hills of western Russia; by deposits of boulder clay, sands, and gravels; by glacial lakes; and by the Pripet Marshes, a considerable ill-drained location of Belarus and Ukraine. A https://jeffreyrsrqo.wikipublicist.com/5328348/not_known_details_about_europe