FILE - In this May 31, 2014 file photo, the Palace of Culture and Science is lit up next to the modern highrise “sail” skyscraper by U.S. architect Daniel Liebeskind, second left, near a subway station in downtown Warsaw, Poland. The Palace of Culture was an unwanted gift from Soviet leader Josef Stalin in 1955 and recently celebrated its 60th birthday. It has survived repeated calls to be torn down as a symbol of communist-era oppression. (AP Photo/Alik Keplicz)