Quote:
The vault is safeguarded by a comprehensive multilayered security system, highlighted by a 90-ton steel cylinder protecting the only entry into the vault. The nine-foot-tall cylinder is set within a 140-ton steel-and-concrete frame that, when closed, creates an airtight and watertight seal.
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Yes, it sounds like that passageway in the pictures is through the rotating cylinder that aligns with or seals the entrance to the vault.
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The descent of man ~ Nixon, Friedman, Reagan, Trump.
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