By Kilian Schönberger. One of the strangest landscape elements of the Alps are the so-called earth pyramids of South Tyrol. Especially during foggy conditions these pillars appear like from another world.
Lenticular Cloud over Klyuchevskaya Sopka Mountain, Russia by Denis Budkov. Klyuchevskaya Sopka is a stratovolcano, the highest active volcano of Eurasia. Its steep, symmetrical cone towers about 100 kilometres from the Bering Sea.