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Coke's secret recipe

August 26, 2013 / 12:12 PM EDT / CBS News

A tour group waits for an interactive experience to begin before entering the vault chamber containing the "secret recipe" for Coca-Cola at the World of Coca-Cola museum, in Atlanta, Ga., Aug. 9, 2013.

The 127-year-old recipe for Coke sits inside an imposing steel vault that is bathed in red security lights, while security cameras monitor the area to make sure the fizzy formula stays a secret.

Read more: Is Coke the same as it was 127 years ago? Maybe

The door to the vault chamber containing the "secret recipe" for Coca-Cola is opened to a tour group.

Marilyn Buamah, a secret formula security officer, stands outside the recipe vault.

The vault is unveiled to viewers taking a tour at the World of Coca-Cola museum in Atlanta.

A tour group enters the vault exhibit.

A tour group passes in front of security screens as they enter the vault containing the "secret recipe."

Formulas are cast on the floor during a tour of the vault containing the "secret recipe" for Coca-Cola.

Marilyn Buamah, a secret formula security officer, stands outside the vault.

Marilyn Buamah, a secret formula security officer, stands outside the vault containing the "secret recipe" for Coca-Cola.

A tour group enters the vault exhibit.

The vault containing the "secret recipe" for Coca-Cola stands on display at the World of Coca-Cola museum in Atlanta.

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