In order to ensure the smooth implementation of the plan, apart from a small number of Army Group commanders and generals, the real central breakthrough plan was kept secret even from some important brigade generals who did not know the true destination of their troops, and could only obey the temporary orders from their superiors.
At the same time when the real main force launched the attack, some Russian forces also conducted feigned attacks in the northern region, attracting the attention of the some of the Russian army.
This successfully paralyzed the Russians, who had no preparations for the impending German offensive.
When Ivanov, the commander-in-chief of the Southwest Army, discovered something was wrong and ordered the strengthening of defenses around the Vistula River, it was already a bit late.
On the banks of the Vistula River during summer, the trees are verdant, the grass is lush, and the temperature is not scorching, making the scenery very beautiful.
