Unusual Architecture
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12/02/11
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World´s Longest Tree Top Walkway [Neuschonau, Germany]
![World´s Longest Tree Top Walkway [Neuschonau, Germany]](http://2.bp.blogspot.com/-D3htACXITd8/ULteqsWQJNI/AAAAAAAAh1E/3uj4hXCML54/s730/world%C2%B4s+longest+tree+top+walkway-0.jpg)