Fun fact 2 about Rub' al Khali
desert
The sand in the Rub' al Khali is reddish-orange due to the presence of feldspar.
Rub' al Khali
Saudi Arabia
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desert
Rub' al Khali
Saudi Arabia
Area
650,000 km²
Countries
Saudi Arabia
The Rub' al Khali is a desert encompassing most of the southern third of the Arabian Peninsula. The desert covers some 650,000 km2 (250,000 sq mi), including parts of Saudi Arabia, Oman, the United Arab Emirates, and Yemen. It is part of the larger Arabian Desert.
From the “Description” section
Text from Wikipedia, CC BY-SA 4.0.
Photo: Nepenthes · CC BY-SA 3.0