Gallery: The Bilbao Arena’s Green Lizard-Like Facade Defends Against th...

Large sports arenas tend to consume vast amounts of energy, which is why ACXT Architects gave the mammoth Bilbao Arena situated on a super-exposed hill in Spain an energy-regulating facade. Designed to look like different colored leaves, the "flapping" steel plates wrapped around the top of the arena can be removed to let in natural light and air, and to create views of the surrounding landscape. As a result, the wide corridors aren't air-conditioned at all, which cuts down a considerable amount of the building's overall energy requirement.

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1 Comment

  1. zapico November 17, 2011 at 10:03 am

    The “Spanish sun” in this case is more stereotype than reality. Bilbao, as most of “green spain” ( has quite a mild weather with (unfortunately) many rainy and overcast days. With a total of 1,584 sunshine hours a year it’s more similar to London (1,460) than to Madrid (2,769)

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