Amongst them, a new high speed quad "Sponata" replaces the former double chairlift in the Alta Badia sector, and at Arabba, a neighboring Sella Ronda resort,another high speed quad "Campolongo" replaces two surface tows. The region has also been working to improve slope layout and design and now has, probably, the world's largest snow making system, covering 90 percent of the ski slopes.