Picture Credits

The licenses for the photos on this site were purchased on photo-sharing sites . For technical reasons, a representation of the copyright under the photos is impossible .

Fotolia:

© fotolia.de - pcalapre
© fotolia.de - F.C.G.
© fotolia.de - GrantRyan
© fotolia.de - matf16
© fotolia.de - dpreezg
© fotolia.de - shumba138
© fotolia.de - estivillmi
© fotolia.de - Pockini
© fotolia.de - Oleg Znamensky
© fotolia.de - Swataffi

Pixelio:

All other photos were taken from the photo-sharing site pixabay.de without a license.