Unusual Architecture
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05/24/11
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Museum of Concrete Art & Design [Ingolstadt, Germany]
![Museum of Concrete Art & Design [Ingolstadt, Germany]](http://3.bp.blogspot.com/-oKq8k_r5uqg/T7uNb-amicI/AAAAAAAADsw/Pm4osl1qX-k/s730/Screen+shot+2012-05-22+at+7.47.15+AM.png)