Quellenangaben und Urheberrechtsvermerke für ausgewählte Bildmaterialien in den Headerbereichen:

Sumate Gulabutdee/Shutterstock.com, Sofia Zhuravetc/Shutterstock.com, Pandorabox/Shutterstock.com,
Seprimor/Shutterstock.com, Galina Tcivina/Shutterstock.com, Ann Haritonenko/Shutterstock.com,
Kiuikson/Shutterstock.com, Mstudio/Shutterstock.com, indira's work/Shutterstock.com,
Lenaer/Shutterstock.com, Oleggg/Shutterstock.com, Jurij Krupiak/Shutterstock.com,
Claudia K/Shutterstock.com, Dmitry_Tsvetkov/Shutterstock.com, Ro Sen/Shutterstock.com,
IVASHstudio/Shutterstock.com, MakeStory Studio/Shutterstock.com, Natalia Kabliuk/Shutterstock.com