(Bilder: Claudia Dewald/ www.istockphoto.com ; dpa; Neustockimages/ www.istockphoto.com ; Dmitriy Shironosov/ www.istockphoto.com ; Udo Ingber/ www.fotolia.com ; Cjcj/www.sxc.hu ; BerlinOnline/mh; Wolfgang Scholvien; METRO Group Asset Management Services GmbH ; ECE; Birgit Lieske / www.pixelio.de ; BerlinOnline/argus/flashpics/fotolia.com)