Witch Lord wrote:
Because personally, I would have thought that throughout the modern period, Moscow (with its surroundings) repeatedly proved itself as one of the hardest terrains for some of the strongest armies of all time...
In 1941 the Germans advanced against the city every day until they ran out of men in early December. There are some water features, but they also shield attackers. Stalin had virtually everyone digging anti-tank ditches in ranks, which suggests what went before wasn't much of an obstacle.