Not Just A Ground Assault
The Soviet troops entered Berlin not only from the ground, but from the air too. As you can see in the picture below they had small one man warplanes which were used to enter Berlin and secure the takedown of Nazi Germany.

Not Just A Ground Assault
Berlin Residents
Naturally, as Berlin was the base of all of Nazi activity, and the capital, it had to be taken down. With this in mind, of course there was going to be collateral damage with action. As you can see below, terrified civilians flee as what used to be their homes burn and crumble to the ground in the background.

Berlin Residents