The later recensions add an interpolation (not without very different readings) to the effect that the Sun made his first appearance when Shu raised the Sky from the height of Chemennu, where he destroyed the ‘Children of Failure’
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The raising of the Sky by Shu is very frequently represented in pictures. Seb (the Earth) and Nut (the Sky) have been sleeping in each other’s arms during the night; Shu (Daylight at sunrise) parts them, and the sky is seen to be raised high above the earth.