It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
trekking mountain blue sky landscape rock climbing hike stones dolomites val di fassa holidays summit cold horizon nature mountains clouds italy green summer hiking blue sky holiday vista south tyrol cloud alps the form of clouds excursion winter rocks tree stones white light work
Page 2017 Free-images.com. All images are Public Domain