View of the volcanic area of the El Teide volcano on Tenerife. In front you see a large boulder, in the distance you can see the El Teide. Here we are at about 2000 m altitude, above the clouds. Hence this blue sky, interspersed with white shadowy clouds. This photo was taken in the late afternoon.
El Teide and its surroundings are beautiful, special is also to see the sunset there.
A little side note, this area is also known by cyclists and is a well-known training ground by the pros