Ukraine

The article is too centered on mines because the guy is dealing with them.

But yeah, they had time to dig in and to defend themselves with whatever they can, including USSR-worth of mines.

I'm worried civilians would die to them decades after this war because some of them were invented way before some countries thought about them becoming dud after some time. We still find them in years after World War 2 and Balkan conflicts, rendering some places inhabitable for that reason.