The roof on Apple's new California headquarters is made from carbon fiber and weighs 80 tons.
The roof on Apple's new California headquarters is made from carbon fiber and weighs 80 tons.

Apple's new $5 billion headquarters in Cupertino, Californiacbtardcfwwbueawrytyd, boasts a number of unusual features — a fitness center with a climbing wall, a fire suppression system modeled after the kind found on yachts, glass sheathing — and it's all protected by the largest free-standing carbon fiber roof on the face of the planet.

The 44 radial panels, each 70 feet long, are connected to a central ring and tip the scales at a collective 80 tons. The roof was manufactured in Dubai by Premier Composite Technologies, shipped to California in pieces, and assembled on site.

Apples' new roof is one of many unusual projects you'll find at the company's website, including a roof made in the form of interconnected umbrellas, a carbon fiber walkway that the company calls the largest structure of its type in the world, and the largest clock in the world (43 meters in diameter).

The Apple campus covers 175 acres and is currently nearing completion. It's powered completely with renewable energy. Systems include a 17-megawatt photovoltaic system installed, you guessed it, on top of the roof.

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