North Sea between and among rivers, artificial harbours, and the sea. The Kiel Canal, connecting the North Sea with the Baltic Sea, is the most heavily used artificial seaway in the world reporting an average of 89 ships per day not including sporting boats and other small watercraft in 2009. It saves an average of , instead of the voyage around the Jutland peninsula. The North Sea Canal connects Amsterdam with the North Sea. North Sea The North Sea is a marginal sea of the Atlantic Ocean located between the United Kingdom (particularly England and Scotland), Denmark, Norway, Sweden, Germany, the Netherlands,
White Sea–Baltic Canal Bay near Megostrov Island; it was later captured by Finnish troops. On December 5, 1941, Finnish troops entered Medvezhyegorsk. On December 6, 1941, in a -37 °C frost, Finnish troops captured Povenets, the southern entrance to the White Sea–Baltic Canal. On the same day, Soviet troops started demolishing canal structures. Lock No. 1 was the first to be blown up. By the morning of December 8, Locks No 1 to 6, and dams No. 4 and 20 had all been demolished. At the same time heavy fighting took place in the area of the Povenets Lock Ladder (Locks No. 1