FRANKFURT.- The jury of the Emporis Skyscraper Award has announced Aqua, an 81-story residential and hotel tower in Chicago, as the winner of the 2009 Skyscraper of the Year. The award, now celebrating its tenth year, is given annually to a building at least 100 meters tall and completed within the award year. The second place winner is O14 in Dubai. Third place goes to The Met in Bangkok. All winners were selected from 305 eligible buildings completed worldwide in 2009. Members of the jury praised Aqua for its fascinating shape, whose appearance changes dramatically depending on the perspective. It was also cited as a brilliant technical achievement for the precision of its construction, and lauded as an application of green design innovations to an extremely large building project. Situated in a large lakeside development, Aqua intersperses