6: Which railway records apply to Engelberg-Titlis?
a.) First chairlift in Switzerland, first licensed aerial cableway in Switzerland, first CO2-neutral mountain railway in Switzerland, steepest ski lift in Switzerland and first revolving gondola in the world.
b.) Switzerland's highest railway station, Europe's longest reversible aerial tramway and the world's fastest chairlift and gondola lift.
c.) First fully autonomous 24/7 aerial cableway in the world, steepest cog railway in the world and first mountain railway powered by biomass Hint