In laboratory experiments, Ristroph created semi-ellipsoid-shaped mounds of clay exposed to flowing water, leading to the development of sphinx-like yardangs. Recognizing that the experiments are an approximation to natural erosion processes, Ristroph believes his findings offer an opportunity to explain the “origin story” of sphinx-like formations and help geologists studying the rocks.
The work makes us think about what magnificent landforms ancient people encountered and what the origins of their fantastic creations were.
Source: Ferra
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