Nine of the ten tallest buildings in Germany are in which city?
Frankfort-on-the-Main Frankfurt am Main, Germany UN/LOCODE:DEFRA Frankfort-on-the-Maine Frankfort on Main Frankfurt-on-the-Main Frankfort/Main Franckford Frankfurt am Main (Germany) Frankfurt-Am-Main, Germany Frankfort On Main Frankfurt a.M. Frankfurt (Main) Franfurt Frankfurt, Main Frankfurt am Main, Hesse Frankfurt-Am-Main Frankfurt-on-Main Frankfurt (state) Frankfort-am-Main Frankfurt, Hesse Frankfurt am Main Frankfurt–am-Main Frankfort-on-Main Mainhattan Frankfurt, Germany Frankfurt-am-Main Frankfurt Frankfurt/Main Frankfurt on Main Frankfurt am main Frankfurt on the Main Frankfort on the Main