An apartment's floor plan is displayed on Immobilienscout24' [Getty Images]

GERMANY - FEBRUARY 19: An apartment's floor plan is displayed on Immobilienscout24's Web site on a computer monitor in Berlin, Monday, Feb. 19, 2007. Immobilienscout24, Germany's biggest real estate Web site, may sell shares in an initial public offering after the company finds a new owner, Frankfurter Allgemeine Zeitung said, citing Managing Director Arndt Kwiatkowski. (Photo by Adam Berry/Bloomberg via Getty Images)

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