News
News
Events
Company news
Mountain guides news
Routes
Rock climbs
Classic mountaineering, ice climbing, mixed climbing
Ski mountaineering
Freeride
Snowshoeing
Trekking
Via ferrata
All routes
Crags
Special
Mountain huts
Mountain guides
Climbing walls
Photos
Videos
Expo
Companies
Products
Company news
Mont Blanc
E-mail
Facebook
Copia link
Planetmountain
29
JUNE 2023
Traduci in
'In the mountains the intensity of the sun increases by about 10% every 1000 meters in altitude due to the rarefaction of the atmosphere'.
Subscribe to our newsletter!