From seed banks to famous Fort Knox, securing valuables from would-be criminals and Mother Nature’s elements isn’t a job the designers of these engineering marvels took lightly. Take a look at this infograph for the world’s five most secure vaults.
From seed banks to famous Fort Knox, securing valuables from would-be criminals and Mother Nature’s elements isn’t a job the designers of these engineering marvels took lightly. Take a look at this infograph for the world’s five most secure vaults.