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.^[1] It covers an area of about 650,000 square kilometres, more than all of Holland, Belgium and France together.^[2] Some of the sand dunes are more than 250 metres high.^[2]

References

↑ Peter Vincent (2008). Saudi Arabia: an environmental overview. Taylor & Francis. p. 141. ISBN 978-0415413879. Retrieved 8 April 2011.
↑ ^2.0 ^2.1 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] 2.0 ^2.1 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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