Foto per gentile concessione di Massimo Zanichelli e Britta Nord (p. 15, 18, 19, 25).
123RF:
Andrey Esin (terza di copertina).
Alamy Foto Stock:
Dudley Wood (p. 34, 35).
iStock:
malerapaso (copertina, p. 1), jumaydesigns (p. 92).
Shutterstock:
Sonia Bonet (p. 3, 29), LightField Studios (p. 3, 46), Alessandro de Leo (p. 3, 77), mikeledray (p. 4), REDPIXEL.PL (p. 7), Bas Meelker (p. 8), Nata
Kuprova (p. 11, 16, 22), Juergen Bauer Pictures (p. 21), NaughtyNut (p. 26), Pin Map (p. 30), Nuno Maia (p. 30, 31), Henrique Silva (p. 31), Helissa
Grundemann (p. 33), xpixel (p. 34), Wirestock Images (p. 36), GCapture (p. 39), Azdora (p. 43), V.Borisov (p. 44), Anna Bogush (p. 44), Roman Debree (p.
45), MaraZe (p. 48), tag2016 (p. 49), Lightspring (p. 51), zentradyi3ell (p. 52), Antonio Gravante (p. 54, 55), Massimax (p. 55), Yeti studio (p. 55),
Salman Timur (p. 57), Teerasan Phutthigorn (p. 59), jreika (p. 60), Seregraff (p. 63), Lightspring (p. 64), Demkat (p. 67), cristi180884 (p. 69),
Photology1971 (p. 70), Gianluca Foto (p. 70, 71, 82), Antonio Colangelo (p. 71), D.serra1 (p. 73, 81), Martin Gaal (p. 78), moondes (p. 85), Moon T (p.
86), Kateryna Kon (p. 88), Mountains Hunter (p. 90), Jack Frog (p. 90, 91), Marcello Brunetti (p. 91), Piotr Velixar (p. 95), Dewald Kirsten (p. 96),
Krasovski Dmitri (p. 99), Volodymyr TVERDOKHLIB (p. 100), Dima Sobko (p. 100, 101), Stanislav Dostovalov (p. 101), N-sky (p. 103), Ratthaphong Ekariyasap
(p. 105), IB Photography (p. 106), Dionisio iemma (p. 108), melitas (p. 108, 109), xpixel (p. 111), LauraVl (p. 113), radar60 (p. 114), Dmitrijs
Bindemanis (p. 117), Ron Ramtang (p. 118), wong yu liang (p. 118, 119), Ammit Jack (p. 119), Ekaterina43 (p. 120), ESB Professional (p. 121), More Trendy
Design here (p. 123).