![Castle-Tower Regensberg / L3P Architects - Windows, Facade](https://images.adsttc.com/media/images/5008/aa05/28ba/0d50/da00/1640/medium_jpg/stringio.jpg?1361405430)
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Architects: L3P Architects
- Area: 47 m²
- Year: 2009
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Photographs:Vito Stallone
Text description provided by the architects. The castle-tower is under historical monuments’ protection and is a distinctive landmark in the region of Zurich. The tower is 21 metres high, the walls being up to 3 metres thick, and the interior radius averaging about 3.5 m.
![Castle-Tower Regensberg / L3P Architects - Image 17 of 29](https://images.adsttc.com/media/images/5008/aa51/28ba/0d50/da00/164f/medium_jpg/stringio.jpg?1360765079)
All existing technical installations have been removed, integrated in the walls or disguised in the timber work hung with rusty wire meshing. This pacification of room lends a marked accent on the stonework of the walls and the mounted objects exhibited on them. The medieval atmosphere has been reinforced with indirect and diffuse lighting.
![Castle-Tower Regensberg / L3P Architects - Windows](https://images.adsttc.com/media/images/5008/aa46/28ba/0d50/da00/164d/medium_jpg/stringio.jpg?1360765071)
The exhibition wages through local history vertically. As one ascends the levels, the exhibition themes become younger in their historical development: from mediaeval times on the ground floor, to the 20th century on the 5th floor.
![Castle-Tower Regensberg / L3P Architects - Windows](https://images.adsttc.com/media/images/5008/aa14/28ba/0d50/da00/1643/medium_jpg/stringio.jpg?1360765032)
As the battlement is ascended, one is ultimately confronted with the modern era. The weather-proofed exit is in reference to the interior free space of the upper castle. The materialisation with fibre glass, as well as the volumetry reminds one of a snail shell discovered petrified in the battlement cover. Information signs on the flat roof illuminate the modern era view.
![Castle-Tower Regensberg / L3P Architects - Image 14 of 29](https://images.adsttc.com/media/images/5008/aa41/28ba/0d50/da00/164c/medium_jpg/stringio.jpg?1360765067)
The outdoor lighting of the tower has been renewed with a contemporary projection technique, which completely reduces light pollution and brings a 12-fold reduction of energy use.
![Castle-Tower Regensberg / L3P Architects - Concrete, Beam, Handrail](https://images.adsttc.com/media/images/5008/aa2f/28ba/0d50/da00/1648/medium_jpg/stringio.jpg?1360765053)