![North Rhine-Westphalia State Archive: the structural optimisation of extension tower thanks to Cofrastra® flooring deck North Rhine-Westphalia State Archive: the structural optimisation of extension tower thanks to Cofrastra® flooring deck](https://constructalia.arcelormittal.com/files/121_picture_6--59c5863f9dc9a887ada1906c5d76aa86.jpg)
North Rhine-Westphalia State Archive: the structural optimisation of extension tower thanks to Cofrastra® flooring deck
![NRW State Archive, Landesarchiv Nordrhein-Westfalen, Innenhafen, Duisburg, Ruhr Area, North Rhine-Westphalia, Germany, Europe Stock Photo - Alamy NRW State Archive, Landesarchiv Nordrhein-Westfalen, Innenhafen, Duisburg, Ruhr Area, North Rhine-Westphalia, Germany, Europe Stock Photo - Alamy](https://c8.alamy.com/zooms/9/1515b504a3eb44668499f3e50a9813ff/tw4a60.jpg)
NRW State Archive, Landesarchiv Nordrhein-Westfalen, Innenhafen, Duisburg, Ruhr Area, North Rhine-Westphalia, Germany, Europe Stock Photo - Alamy
![There is a 23 storey building in Duisburg, Germany with absolutely no windows (German National Archives) : r/mildlyinteresting There is a 23 storey building in Duisburg, Germany with absolutely no windows (German National Archives) : r/mildlyinteresting](https://preview.redd.it/0qqk9k1zx0m71.jpg?auto=webp&s=5347735f995c2dee811340a5f6bf18de8e7ebd10)
There is a 23 storey building in Duisburg, Germany with absolutely no windows (German National Archives) : r/mildlyinteresting
![Departamento De Archivos Del Estado De Nrw Rheinland En La Ciudad De Duisburg, Alemania Fotos, Retratos, Imágenes Y Fotografía De Archivo Libres De Derecho. Image 132059911. Departamento De Archivos Del Estado De Nrw Rheinland En La Ciudad De Duisburg, Alemania Fotos, Retratos, Imágenes Y Fotografía De Archivo Libres De Derecho. Image 132059911.](https://previews.123rf.com/images/saiko3p/saiko3p1907/saiko3p190700452/132059911-departamento-de-archivos-del-estado-de-nrw-rheinland-en-la-ciudad-de-duisburg-alemania.jpg)
Departamento De Archivos Del Estado De Nrw Rheinland En La Ciudad De Duisburg, Alemania Fotos, Retratos, Imágenes Y Fotografía De Archivo Libres De Derecho. Image 132059911.
![Nrw State Archive Department Rheinland In Duisburg City, Germany Stock Photo, Picture And Royalty Free Image. Image 134982041. Nrw State Archive Department Rheinland In Duisburg City, Germany Stock Photo, Picture And Royalty Free Image. Image 134982041.](https://previews.123rf.com/images/saiko3p/saiko3p1912/saiko3p191200373/134982041-nrw-state-archive-department-rheinland-in-duisburg-city-germany.jpg)