Bilder U1: mauritius images / Alamy / Andrew Lloyd; S. 4: Quality Stock Arts – stock.adobe.com; S. 5: Getty Images/Dorling Kindersley RF / Thinkstock; S. 8: leungchopan / Thinkstock; S. 10: Science Photo Library / Getty Images; S. 12.1: R Market Stock / Shutterstock; S. 12.2: Igor Kirillov / Thinkstock; S. 13: Jeffrey Hamilton/Digital Vision / Thinkstock; S. 16: Floortje / Getty Images; S. 17: solarseven / Thinkstock; S. 19: benzoix / Thinkstock; S. 20: Wavebreakmedia Ltd. / Thinkstock; S. 22: Dirima / Thinkstock; S. 24: Hiraman – PeopleImages.com / Getty Images; S. 29: Celum ; S. 31: specnaz-s / Thinkstock; S. 33: seb_ra / Thinkstock; S. 34: R Market Stock / Shutterstock; S. 37.1: Science Photo Library / Getty Images; S. 37.2: xrender / Thinkstock; S. 48: tokyo01 / Thinkstock; S. 54: Celum; S. 60: Todd Warnock/Digital Vision / Thinkstock; S. 64: RobertSchneider / Thinkstock; S. 72: FilippoBacci / Getty Images; S. 74: Vik_Y / Thinkstock; S. 79.1: Hemera Technologies – AbleStock.com / Thinkstock; S. 79.2: Anthony Bradshaw / Getty Images; S. 81: Stitchik / Thinkstock; S. 82: Dmitriy Bondarenko / Getty Images – iStockphoto; S. 84: Vladimir Voronin – stock.adobe.com; S. 87: Fuse / Thinkstock; S. 88.2: JoeLena / Getty Images; S. 89: Elizabeth Fernandez / Getty Images; S. 91.1: Daniel Allan / Getty Images Illustrationen Da-TeX / Gerd Blumenstein, Leipzig: Seiten 50.1; 50.2; 88.1; 91.2 104 Bildnachweis Anhang Nur zu Prüfzwecken – Eigentum des Verlags öbv
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