Explain why there were mass casualties and why no side was winning?

You are going to have to give people more context to this awnser like, was this a war, whos fighting who, things like that, maybe an image that may help us understand the question more.

it's not the readmission

“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.