The Sahara Was Once a River System
January 29, 2026
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0:55Now PlayingThe Sahara Was Once a River System
YouTube Description
as posted by the channelUnder the sand lies evidence of vast ancient river systems and massive alluvial fans. These form when fast, sediment-filled water slows and drops its load into broad basins.
What remains today are fossilized rivers from a much wetter world.
Egypt tells the same story.
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