This was taken on the pass Tizi n’Ouagne on our second tour we started from the hut where we stayed over night. It was our best day, a really nice hike and hardly any people. I found an article on Wikipedia that explains that strange phenomenon of these snow holes a bit: [link]
Thanks... we are going with Jimmy to Utah and Colorado early tomorrow morning [1 week]... we'll be seeing my daughter and family plus the Moab area in Utah [National Parks] and the Rocky Mountain National Park in Colorado!!!