The design of Berlin's tallest highrise building (as well as the tallest highrise building in Germany outside of Frankfurt) has just been released.
The tower will be an expansion of the existing Estrel Hotel, which is already Germany's largest hotel with 1125 rooms.
Height: 176m / 577ft
Floors: 52
Use: Hotel
Architect: Barkow Leibinger
http://skyscraperpage.com/cities/?buildingID=18781
http://abload.de/img/neubau-estrel_barkow-vgk5i.jpg
http://abload.de/img/neubau-estrel_barkow-zcrfs.jpg
http://abload.de/img/neubau-estrel_barkow-wfryv.jpg