To sink the Grand Staircase into the purpose-built 5 million gallon tank, 90,000 gallons of water were dumped through it as it was lowered into the tank. Such was the volume that the staircase was ripped from its steel-reinforced foundations. This is possibly what really happened to the Grand Staircase during the sinking in 1912. When the wreck was searched following its discovery in 1985, nothing remained of the staircase.

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