Acknowledgments

The authors and publishers acknowledge the following sources of copyright material and are grateful for the permissions granted. While every effort has been made, it has not always been possible to identify the sources of all the material used, or to trace all copyright holders. If any omissions are brought to our notice, we will be happy to include the appropriate acknowledgements on reprinting. Thanks to the following for permission to reproduce images: Cover Talaj/GI; Inside R038 TA1: Adventtr/GI; Monty Rakusen/GI; Maximimages.com/Alamy Stock Photo; Ondacaracola Photography/GI; ANP/GI; Dean Mouhtaropoulos/GI; Gorodenkoff/GI; Ijubaphoto/GI; Sally Anscombe/GI; MoMo Productions/GI; David Malan/GI; Daniel Grizelj/GI; T3 Magazine/GI; Gandee Vasan/GI; Mevans/GI; Andriy Onufriyenko/GI; Simonkr/GI; Bloomberg/GI; TA2: Luis Alvarez/GI; Wiredtoseephotography/GI; Nika Boyce Studios/GI; Luca Sage/GI; Xia yuan/GI; Thomas Heitz/GI; Nitat Termmee/GI; Radharc Images/Alamy Stock Photo; OsakaWayne Studios/GI; Dougal Waters/GI; Skhoward/GI; IndiaPix/IndiaPicture/GI; Filadendron/GI; Jupiterimages/GI; Sinology/GI; Anna Efetova/GI; Justin Paget/GI; TA3: Prapass Pulsub/GI; Mathisworks/ GI; OktalStudio/GI; Steve Gorton/GI; ClarkandCompany/GI; TA4: Sunwoo Jung/GI; Kittiphat Abhiratvorakul/GI; Neustockimages/GI; Poba/GI; Huntstock/GI; Maciej Frolow/GI; Pablo_rodriguez1/GI; Richard Drury/GI; Luis Alvarez/GI; SDI Productions/GI; R039 TA1: Lane Oatey/GI; Carol Yepes/GI; Priscila Zambotto/GI; Mecaleha/GI; Mark Garlick/GI; Nicolas_/GI; TA2: Alys Tomlinson/GI; Andrew Holt/GI; John Slater/GI; TA3: Monty Rakusen/GI; Image Source/GI; R040 TA1: Bloom Productions/ GI; Maskot/GI; Craig Hastings/GI; Jordan Lye/GI; Buena Vista Images/GI; MirageC/GI; Gary Yeowell/GI; Christina Reichl Photography/GI; Extreme-Photographer/GI; Delihayat/GI; Daniel Grizelj/GI; Renaud Philippe/GI; Jose Bispo/GI; TA2: Pinstock/GI; SolStock/GI; S-cphoto/GI; Enviromantic/GI; Monty Rakusen/GI; Andrewhoughton/GI; Taiyou Nomachi/GI; Vladimir Zakharov/GI; Scott Barbour/GI SAMPLE Key GI = Getty Images