Complex sentence: Andorra is located in the "Axial Zone" of the central Pyrenees mountain range in south western Europe, which means that it has intensely folded and thrusted rocks formed when the Iberian peninsula was rotated onto the European continent.
Split into simpler sentences: Andorra is located in the "Axial Zone" of the central Pyrenees mountain range in south western Europe. This means that it has intensely folded and thrusted rocks formed when the Iberian peninsula was rotated onto the European continent.