More maps of African countries: Algeria,
South Africa, Zambia,
This image shows the Namib Desert. It was acquired on April 11, 2018
(NASA/International Space Station). Rainfall is negligible over the sand dunes
here. This allows strong southerly winds to build up the north-south linear
dunes. The mountainous landscapes are scuplted by rivers that occasionally flow
with water. They appear as numerous finger-like river channels that flow down to
the sand sea and evaporate.
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