Photo credits pages 2 and 3 , clockwise from top left : © Massimo Pizzotti / ​ age fotostock and Hagia Sophia ; © Angelo Cavalli / ​ age fotostock ; © Alain Caste / ​ age fotostock ; © 2010 SuperStock ; Engravings by Doré
Photo credits pages 2 and 3 , clockwise from top left : © Massimo Pizzotti / ​ age fotostock and Hagia Sophia ; © Angelo Cavalli / ​ age fotostock ; © Alain Caste / ​ age fotostock ; © 2010 SuperStock ; Engravings by Dore