Complex sentence: After a three-year construction period the Schauinsland rope way, was the first ropeway for passengers in the world which worked on the rotation principle involving multiple cabins, instead of the traditional reciprocating principle with two cabins.
Split into simpler sentences: After a three-year construction period, the Schauinsland ropeway, was the first ropeway for passengers in the world. Ropeways work on a "rotation principle" which involves multiple cabins, instead of the traditional "reciprocating principle" involving two cabins.