Looking at a cylinder

Secure entrance control for a symbolic building

At New York's new skyscraper One World Trade Center at Ground Zero, the revolving doors SS 4000 – M in the entrance area contribute to the security of this impressive building.

One World Trade Center is an office complex primarily for financial institutions. The upper cuboid-shaped part of the tower was turned by 45° so that the upper square fits into the lower square. The façade appears powerful and dynamic. In total the tower measures 1776 feet – a symbolic number as America’s Declaration of Independence was signed in 1776.


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