Stock Photo - 04 May 2023, Thuringia, Weimar: Klara Geywitz (m., SPD), Federal Minister of Housing, Urban Development and Construction, and Wolfgang Tiefensee (r, SPD), Minister of Economics and Science of Thuringia, visit the Materials Research and Testing Institute (MFPA) in Weimar, and are introduced to a Gipstex lightweight element by Heike Dreuse (l), building materials engineer. The minister wants to find out more about sustainable building. Here, the ""Thuringian Alliance for Resource-Efficient Building"" and the Thuringian Innovation Center for Recyclable Materials (ThIWert) present ongoing research projects. Photo: Martin Schutt/dpa. - Weimar/Thuringia/Germany

Stock Photo: 04 May 2023, Thuringia, Weimar: Klara Geywitz (m., SPD), Federal Minister of Housing, Urban Development and Construction, and Wolfgang Tiefensee (r, SPD).

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