blau On September 24, 2014 by admin freiburgs biggest newly built passive house: an innovative concept which realised not only ecological but also social sustainability by freehold apartments and public housing underneath one roof - this part showing the freehold apartments
blau On September 24, 2014 by admin freiburgs biggest newly built passive house: an innovative concept which realised not only ecological but also social sustainability by freehold apartments and public housing underneath one roof - this part showing the freehold apartments