Tafone (Wadi Musa, Jordan)
by Tomáš Weiss
This cave-like feature of cavernous weathering is common especially in arid and semi-arid areas. Many explanations of their origin have been proposed, however we are still waiting for a consensus among the scientific on the role of water, salts, and flora on their development.
Tomáš Weiss (distributed via imaggeo.egu.eu)