(IMAGE)

Spanish National Research Council (CSIC)

Caption

Fairy circles on a Namibian plain.

Credit

Audi Ekandjo.

Usage Restrictions

You are free to share the material. Attribution is required.

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.