Audi is constructing a massive three-story building on the grounds of the 2015 Frankfurt Motor Show.

Audi is constructing a massive three-story building on the grounds of the 2015 Frankfurt Motor Show.

Being built on the Agora square of the exhibition grounds, the building will house 33 different vehicles including the redesigned A4 and the all-new e-tron quattro concept.  The temporary complex will also have nearly 700 square meters (7,534.7 sq ft) of "LED surfaces" and more than 200 kilometers (124.3 miles) of cabling.

Audi was coy on specifics but their display will focus on four key areas: Audi Sport, quattro, Audi Technologies and Audi ultra.  As part of this, there will be a "quattro ice room" which will be kept at -21° Celsius (-5.8° Fahrenheit).  There will also be an Audi technology area with a holographic window that uses augmented reality to present digital information about the technologies used on the physical models on display.

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