Bildnachweis:

Titelbilder Heft 1 -12: Shutterstock (Dreamcreation, 2 x Teguh Muijono, 5 x hermandesign2015, andruah1981, Active Lines); Adobe (Steve Young); Thinkstock (ratpack223, SMWPHOTO);

Titelbilder Heft 13-25: Shutterstock (Dreamreation, Teguh Muijono, Fer Gregory, independent birds, Rolf E.Staerk, Miroslav Hlavko, Peera_stockfoto, Matauw, Christian Musat, Rob Christiaans), Thinkstock (SMWPHOTO, Cooper007, akinshin, Martin Pelanek, Coatesy);