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continental ice sheetCNN
•84% Informative
An ancient landscape hidden under the East Antarctic ice sheet for at least 14 million years has been revealed.
Scientists used remote sensing techniques to map 32,000 square kilometers ( 12,300 square miles ) of land.
They discovered a landscape formed by rivers prior to the continental build-up of the ice sheet that would have once resembled the hills and valleys of present-day North Wales .
The well-preserved nature of the landscape makes it particularly special.
Understanding why this specific ancient landscape survived largely unscathed could help scientists better predict the future dynamics of the icesheet.
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