Wikipedia
Colonia-Haus
Colonia-Haus is a 45- storey, skyscraper completed in 1973 in the Riehl district of Cologne, Germany. Upon completion in 1973, it was the tallest residential-only building in Europe until the 2001 completion of the KölnTurm. Colonia-Haus has 45 floors with 373 units including 352 one-and multi-room apt-flats in size from on floors 3 to 41.