Steel column fragments, known as Tridents, recovered from Ground Zero. National September 11 Museum, Manhattan, New York, USA

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One of two steel columns which formed part of the exterior structural support of the east facade of 1 World Trade Center (North Tower). Welded to box columns at bedrock, 70 feet below street level, these columns branched at the fifth story into the three prongs that give them the name tridents.

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Size: 4028px × 6034px
Location: Manhattan, New York, USA
Photo credit: © Brownlow Brothers / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 11, 2001, 9/11, 911, america, centre, columns, commemoration, ground, honour, interior, manhattan, memorial, north, remembrance, sates, september, steel, terrorism, tower, towers, trade, tridents, twin, united, usa, world, york