Underneath the New York Public Library

With news that British architect Norman Foster will “transform” the beloved Fifth Avenue Beaux Arts building of the New York Public Library, one can only be curious about the seven floors of stacks and basement–equivalent of 1.25 million cubic feet–that will be renovated. There are no renderings yet, but there are some clues about the stacks and basement from archival drawings and photographs, courtesy the NYPL.