| These hills are then shaped into the typical aerodynamic shape of a yardang, while the troughs separating the yardangs usually have a U-shaped cross section. |
| A yardang has a wide, blunt leading edge in the face of the wind, and its sides are tapered so that it resembles a teardrop. |
| Yardang, large area of soft, poorly consolidated rock and bedrock surfaces that have been extensively grooved, fluted, and pitted by wind erosion. |
| In this image, there is evidence for a period of erosion when winds scoured the surface at nearly right angles to the prominent yardang direction. |
| The Sphinx-shapers may have started with a limestone yardang near the edge of the Giza plateau, El-Baz suggested. |
| The famous sphinx at Giza in Egypt may be a modified yardang. |
