Sandstone arches and other striking landforms are the showpieces of national parks around the globe. Experiments and numerical analyses show that they result from a self-organization process that involves vertical load, wind erosion and grain locking.
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Paola, C. Emergent sculpture. Nature Geosci 7, 552–553 (2014). https://doi.org/10.1038/ngeo2215
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DOI: https://doi.org/10.1038/ngeo2215
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