Rub' al Khali

The Rub' al Khali or Empty Quarter is a desert in Saudi Arabia. It is one of the largest sand deserts in the world. It covers an area of about 650,000 square kilometres, more than all of Holland, Belgium and France together. Some of the sand dunes are more than 250 metres high.

References

↑ Peter Vincent (2008). Saudi Arabia: an environmental overview. Taylor & Francis. p. 141. ISBN 978-0415413879. Retrieved 8 April 2011.
1 2 Clark, Arthur (May–June 1989). "Saudi Aramco World : Lakes of the Rub' al-Khali". saudiaramcoworld.com. Archived from the original on January 13, 2010. Retrieved April 10, 2011.

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[1] Peter Vincent (2008). Saudi Arabia: an environmental overview. Taylor & Francis. p. 141. ISBN 978-0415413879. Retrieved 8 April 2011.

[clark-2] 1 2 Clark, Arthur (May–June 1989). "Saudi Aramco World : Lakes of the Rub' al-Khali". saudiaramcoworld.com. Archived from the original on January 13, 2010. Retrieved April 10, 2011.