Foto per gentile concessione di Massimo Zanichelli (p. 8, 9, 10, 14, 15) di Just Do The Work (p. 51, 52), di Vito Fusco (p. 65, 66, 67, 69).
123RF:
Andrey Esin (terza di copertina).
Shutterstock:
Lubomir Vladikov (copertina, p. 1), irina_raduga (p. 3, 29), vololibero (p. 3, 37), Phajon Yuyuen (p. 3, 47), marukopum (p. 4, 9, 14, 15), AntonSokolov (p. 6), Souchon Yves (p. 7), RikoBest (p. 12), Alessandro Di Giugno (p. 13), PLAVAA (p. 16), pixelshop (p. 19, 23), essevu (p. 20), StevanZZ (p. 20, 21), OMfotovideocontent (p. 21), oksana2010 (p. 21), Kuttelvaserova Stuchelova (p. 25), Nelli Kovalchuk (p. 26), Swapan Photography (p. 27), triocean (p. 30), Mzaals (p. 30), hadasit (p. 30), photocrew1 (p. 32), Magdanatka (p. 33), mihaitaostin94 (p. 35), tilialucida (p. 36, 37), Karl Allen Lugmayer (p. 39), Irish_design (p. 41, 42, 44, 46), FranciscoMarques (p. 42), FranciscoMarques (p. 42, 43), logoboom (p. 43), N. F. Photography (p. 47), Phet-TH (p. 48), Photo Win1 (p. 53), MaraZe (p. 55), Miti74 (p. 56, 61, 63), Steyno& Stitch (p. 58), barmalini (p. 59), Hernan E. Schmidt (p. 70), Lea Rae (p. 72), maxuser (p. 72, 73), U2M Brand (p. 73), Vitte Yevhen (p. 75), Giambattista (p. 77), PT Pictures (p. 78), znatalias (p. 78), SimoneN (p. 81), Claudio Giovanni Colombo (p. 82), Only Fabrizio (p. 84), Laura Binotto Fotografie (p. 85), Gianluca Foto (p. 86), poludziber (p. 87), karzof pleine (p. 88), Alessio Orru (p. 89), LukeOnTheRoad (p. 90, 91), Antonio Colangelo (p. 91), Gts (p. 91), Paolo Bona (p. 92), Luca Ponti (p. 95), ValeStock (p. 95), Diego Bonacina (p. 96), Marco Rubino (p. 96), EyesTravelling (p. 97), Ljupco Smokovski (p. 99), Nataly Studio (p. 100), Matva (p. 100), shyshak roman (p. 100, 101), Thammasak Lek (p. 104), Seregam (p. 106), HikoPhotography (p. 107).