A large poster advertises the building development for the Leipziger Platz shopping mall, Berlin&#39;s largest commercial project by developer High Gain House Investments GmbH (HGHI), in Berlin, Germany, on Wednesday, May 8, 2013. Germany, Europe&#39;s largest economy, reported growth in the construction industry during April, according to Markit Economics. Photographer: Krisztian Bocsi/Bloomberg via Getty Images