Really no for the vaults door would be air-tight.
Older vaults were made of steel-reinforced concrete. The walls were also very thick, which made the vault very heavy. Nowadays vaults are made of lighter and thinner concrete with additives which give the concrete extreme strenght.
It is not possible to find out online how many vaults the Capital City Bank has. However, this bank has 68 branches across Florida and Georgia as well as many ATMs.
currency held in bank vaults.
Yes they can ! Otherwise they would be useless !
It's kept in the vaults of the Bank of England.
paintings in museums
Banks keep their money in safe vaults. A portion of their money is deposited with the central bank of the nation too.
reserve ratio
reserve requirement
reserve ratio
It is the reserve requierment