One of the odder coincidences of physical geography is the fact that there are two double islands, roughly the same size, positioned at each other's antipodes, or farthest-distant point.
I read an article recently which talked about how important sometimes physical geography is in terms of innovation – in terms of new ideas and new companies.
And over time the weak physical geography of Poland led to almost constant attacks from strong outside powers who combined their forces to overwhelm Poland and her weak natural defenses.
The Greek myths, at least some of them, were also used to explain the way certain things were in the world – to explain physical geography, among other things.