Weathering and erosion ... sand. Likewise, constant cycles from wet to dry will crumble clay. Bits of sand are picked up and carried off by the wind, which can then blast the sides of nearby rocks ...

The Great Sphinx of Giza is one of the most prominent structures ... Sphinx could have formed out of a natural rock formation ...

Erosion is the process of moving the small pieces of rock formed by weathering. Erosion occurs from the action of water or wind. Rock particles can be transported by rivers and form sedimentary rocks.

Researchers found that a mild electrical current would harden marine sand into a solid rock, and they are hopeful ... Traditional erosion mitigation techniques involve building structures like ...

A hard engineering approach involves building structures, such as groynes, sea walls or rock ... the sand dunes act as a natural and sustainable defence mechanism. Coastal erosion is constantly ...

As a plane soars over the high desert of southern Peru, the dull pale sameness of the rocks and sand organize and change form ... there’s so little rain, wind and erosion, the exposed designs ...