Gregor Schneider's The Black Cube in Hamburg. It is one of Germany's most contended artwork at present. The cube, placed between the original building of the museum 'Kunsthalle' and its new gallery, is a reminder of the major sanctuary of Islam, the Kaaba in Mecca. Schneider's work is 14 meters tall and 13 meters wide and is part of the exhibition The Black Cube - Homage to Malewitsch, Das schwarze Quadrat - Hommage an Malewitsch, Hanseatic city of Hamburg, Germany, Europa