The incredible vanishing skyscraper

Posted on 11:56 AM by Sameer Shah

At 52 stories high, the number 7 World Trade Center building stands tall on the New York skyline.

The idea that such a huge skyscraper could disappear from view would seem to belong to the realm of high-tech magic tricks.

But that is exactly what happens when the light falls at a certain angle across its shiny, metal exterior - as shown by this amazing picture taken last week.

Its neighbouring brick skyscrapers stayed resolutely solid but 7 World Trade Center shimmered in the afternoon sun, taking it very close to vanishing completely.

The block stands next to Ground Zero where the Twin Towers collapsed after the September 11 attacks.

Its original building, constructed in 1987, was also razed as a result of the 9/11 terrorist catastrophe.

Debris falling from the nearby North Tower of the World Trade Center started fires on its own floors.

With little water to tackle them, they took hold and Number 7 also completely collapsed at 5.20pm that day after a critical supporting column on its 13th floor buckled.

Construction on the new building, which has a slightly smaller footprint, began in 2002 and finished in 2006.

Designers were focused on safety throughout and gave it a reinforced concrete core, wider stairways and thicker fireproofing.

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