'The Grand Erg Oriental, covering parts of north Africa, includes some of these that are 1,000 feet high'
Sand dunes
MOTHER EARTH: The Grand Erg Oriental, covering parts of north Africa, includes some of these that are 1,000 feet high
The Grand Erg Oriental, covering parts of north Africa, includes some of these that are 1,000 feet high
The Grand Erg Oriental, covering parts of north Africa, includes some of these that are 1,000 feet high
MOTHER EARTH
Sand dunes
MOTHER EARTH