Sahara Gravel

Sahara

The Sahara is a desert spanning North Africa. With an area of 9,200,000 square kilometres (3,600,000 sq mi), it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.

Gravel

Gravel is a loose aggregation of rock fragments. Gravel occurs naturally on Earth as a result of sedimentary and erosive geological processes; it is also produced in large quantities commercially as crushed stone.

gravel

Noun

1. Small fragments of rock, used for laying on the beds of roads and railways, and as ballast.
2. A type or grade of small rocks, differentiated by mineral type, size range, or other characteristics.

Verb

1. To apply a layer of gravel to the surface of a road, etc.
2. To puzzle or annoy.