The present structure, dating from the 1930 ’ s, is seven stories high with vast vaults deep beneath the ground. It occupies an entire three - acre [1.2 ha] block.
Praegune 1930 - ndatest pärit hiigelsuurte sügaval maa all paiknevate võlvkeldritega ehitis on seitsmekorruseline 1,2 hektarit hõlmav hooneplokk.