By September, the Germans had taken the railroads, cutting Leningrad off from the rest of Russia, and the only sources of supplies and reinforcements were by air dropping or by crossing Lake Ladoga.

• 到9月，德国占领了铁路，切断列宁格勒与俄罗斯其他地方联系，只能靠的补给和援助的资源来自空投或穿越拉多加湖。