Thread: LONDON | London Bridge Tower - "The Shard" | 1,017 FT / 310 M | 87 FLOORS
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Old Posted Nov 11, 2009, 7:00 PM
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Chicago Shawn Chicago Shawn is offline
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^Not sure of any existing supertalls; but the Chicago Spire was going to use top-down for the 7 underground garage levels. The only area that has been fully excavated was to contain the tower's core.