Staatsoper Unter den Linden – Berlin

The restoration of the State Opera House “Unter den Linden” has been completed.
The rhombic structure developed by Knippers Helbig for the historical building’s reverberation gallery and the comprehensive modernization is yet another chapter in the ever changing history of the building of the State Opera House “Unter den Linden”.

Design and architecture: hg merz architekten museumsgestalter, Berlin
Structural design, material and manufacturing concept: Knippers Helbig Advanced Engineering
Material testing and monitoring: Materials Testing Institute (MPA) Stuttgart
Manufacturing and installation: FIBER-TECH Construction GmbH, Chemnitz

http://www.bauwelt.de/themen/bilder/Wiedereroeffnung-staatsoper-unter-den-linden-hgmerz-2897390.html