Remove duplicate landuse=winter_sports
Remove duplicate landuse=winter_sports
Add missing ways to ski area site
Add missing ways to Schlick 2000
Remove very incomplete and redundant site relation
Add new lift at Hakuba Norikura
Piste tagging improvements at Ski Arlberg
Update previous nordic trails to winter hiking trails
Add some popular freeride lines in Hochfügen & rodelbahn
Add nordic ski trails from Strava traces
Add nordic ski trails from Strava traces