Linear and Star Dunes ( www.earthobservatory.nasa.gov )
A complex system of dunes displays an array of patterns in the Rub’ al Khali sand sea in southeast Saudi Arabia.
![](https://kbin.cafe/media/cache/resolve/entry_thumb/97/bc/97bc650be3e8e93995138f627a253504d509cff617340bb8c3a1da988095c05c.jpg)
A complex system of dunes displays an array of patterns in the Rub’ al Khali sand sea in southeast Saudi Arabia.