It weighs 18 tons, is 10 meters in diameter, rotates twice per minute and lights up with the help of 681 high-voltage fluorescent tubes. Together with the star, the Europa-Center reaches 103 m. The defect in the 4.5 ton rotary drive in 2006 was discovered with the help of a Russian heavy-duty helicopter from April 25-27. April 2007 fixed with the replacement of the engine. (Photo credit: imago / Schöning)