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Delia Gallagher gets exclusive access to the Sistine Chapel as it has its annual check up.
Delia Gallagher gets exclusive access to the Sistine Chapel as it has its annual check up.

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    Sistine Chapel gets its annual checkup

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Sistine Chapel gets its annual checkup

CNN's Delia Gallagher takes an exclusive look at the Sistine Chapel and the work required to maintain one of the world's most popular tourist attractions.

Sistine Chapel gets its annual checkup

CNN's Delia Gallagher takes an exclusive look at the Sistine Chapel and the work required to maintain one of the world's most popular tourist attractions.