The document provides information about Bikini Berlin, a revitalized shopping, office, and entertainment complex located in the heart of Berlin. It summarizes that Bikini Berlin represents the redevelopment of the historical "Zentrum am Zoo" buildings from 1957. The complex includes a shopping mall, rooftop garden, hotel, and restored Zoo Palast cinema. Bayerische Hausbau, one of Germany's largest real estate companies, invested hundreds of millions of euros into the redevelopment project.