This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Catastrophe Canyon . selfphotographed original caption took this picture and release it to the public domain and such br from org en to Commons by User Themeparkgc using de php CommonsHelper Phydend at org en Phydend Original upload log page en CatastropheCanyon Phydend bytes no took this picture and release it