00:00Why is there a giant bullseye in the Sahara Desert?
00:03It's 50 kilometers wide.
00:05Scientists first thought it was a meteor crash,
00:08but no impact, no melted rock.
00:11This enormous eye is actually a dome.
00:14Water and wind carved away rock.
00:17Magma pushed up, forming a dome.
00:20Erosion then exposed its concentric rock layers.
00:24This colossal geological wonder formed over millions of years.
00:29See more wild secrets at the link in bio.
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