It weighs 18 tons, is 10 meters in diameter, rotates 2 times per minute and lights up with the help of 681 high-voltage fluorescent tubes. Together with the star, the Europa Center reaches 103 meters. The defect in the 4.5-ton rotary drive in 2006 was repaired with the help of a Russian heavy-lift helicopter from April 25-27, 2007, when the motor was replaced. (Photo credit: imago / Schöning)