In school, I'm mostly concerned with geometry. However, both in Europe and in Asia I may see my rearrangements from above.
What am I?
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The question has been edited in its tags.
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both in Europe and in Asia
Ural mountain range
may see my rearrangements from above
Topography may be determined from an aerial view and fits in with "concerned with geometry"
A wild guess:
Both in Europe and Asia
Caucasus Mountain Range
I'm mostly concerned with geometry
Lots of geology and patterns - could relate to geometry