64 Acknowledgements Texts 4/5 https://www.survivalinternational.org/articles/3197-human-safaris-when-does-tourism-becomeunethical; 6/7 Chris Telden, ’10 Best Science Fiction Short Stories of All Time: From the Golden Age to the Modern Era’, HobbyLark, 15 November 2019, https://hobbylark.com/fandoms/Best-Science-FictionShort-Story (slightly adapted); 8/9 Tom Crouch, ‘1908: The Year the Airplane Went Public’, airspacemag.com, 28 August 2008, https://www.airspacemag.com/history-of-flight/1908-the-year-the-airplane-went-public8791602/ (slightly adapted); 10/11 The Economist, Print edition, 4 May 2019, https://www.economist.com/ business/2019/05/02/struggling-with-style (slightly adapted); 12/13 Magda Origjanska, ‘The history of the gymnasium: from a school for naked exercise to wellness empire’, 1 December 2017, https://www. thevintagenews.com/2017/12/01/history-of-the-gymnasium-2/; 14/15 The Economist, Print edition, 12 May 2018, https://www.economist.com/books-and-arts/2018/05/10/to-master-a-language-start-learning-it-early (slightly adapted); 24 Shelley Metcalfe, ‘Online advertising: Why we need to educate young people’, The Digital Life Skills Company, 29 January 2019, https://www.digitallifeskills.org.uk/spotting_advertsing_ online_educate_young_people/ Pictures 4 FG Trade / Getty Images; 6 Colourbox.com; 8 peterspiro / Getty Images; 10 PeopleImages / Getty Images; 12 CasarsaGuru / Getty Images; 14 btrenkel / iStockphoto.com; 17 Ingram Publishing / Thinkstock; 18 MEVVerlag, Germany; 20 rrodrickbeiler / Getty Images; 21 RobChristiaans / Thinkstock; 22 Riccardo Lennart Niels Mayer / Thinkstock; 24 oneblink-cj / Getty Images - iStockphoto; 26 denis_pc / Getty Images - iStockphoto; 27 nimis69 / Getty Images - iStockphoto; 28 Hemera Technologies - AbleStock.com / Thinkstock; 29 Library of Congress / Everett Collection / picturedesk.com; 31 Capuski / Getty Images; 33 Okea / iStockphoto.com; 35.1 4x6 / Getty Images - iStockphoto; 35.2 herraez / Getty Images; 36 jevelin / Getty Images - iStockphoto; 37 sturti / Getty Images - iStockphoto; 39 Tom Mc Nemar / Fotolia; 40 sturti / iStockphoto.com; 41 kali9 / Getty Images; 42 a_namenko / Getty Images - iStockphoto; 43 Ruth Black / Fotolia; 46 Natalya Aleksakhina / Thinkstock; 50 DGLimages / Getty Images - iStockphoto; 51.1 deimagine / Getty Images; 51.2 John McPherson / Cartoonstock; 52.1 PeopleImages / Getty Images; 52.2 TerryJ / Getty Images - iStockphoto; 53 FluxFactory / Getty Images - iStockphoto; 56.1 John McPherson / Cartoonstock; 56.2 Evgeniy Kuznetsov / Getty Images - iStockphoto; 58.1 deimagine / Getty Images; 58.2 pierivb / Getty Images - iStockphoto; 58.3 icehotel.com / Action Press / picturedesk.com; 60.1 JackF / Getty Images - iStockphoto; 60.2 vitranc / Getty Images; 62 PIKSEL / Getty Images - iStockphoto; 63 AaronAmat / Getty Images - iStockphoto Nur zu Prüfzwecken – Eigentum des Verlags öbv
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