Pictures and diagrams are by Pete Silver and Will McLean, except for the exceptions listed below.
Laurence King Publishing and the authors wish to thank the institutions and individuals who have kindly provided photographic material and diagrams. Numbers in bold indicate page numbers, while those in brackets indicate image number. While every effort has been made to credit the present copyright holders, we apologize in advance for any unintentional omission or error, and will be pleased to insert the appropriate acknowledgment in any subsequent edition.
8 Preston Schlebusch/Getty Images.
14 Gavin Hellier/Getty Images.
17 (1) Mike Powell/Getty Images; (3) David Davies/Getty Images.
19 (2) Mike Ashby/Granta Design.
32 (2) Image ...