Farbfoto
CC BY-Maximilian Schönherr SA 3.0
http://creativecommons.org/licenses/by-sa/3.0/deed.en
CC BY-Maximilian Schönherr SA 2.5
http://creativecommons.org/licenses/by-sa/2.5/deed.en
CC BY-Maximilian Schönherr SA 2.0
http://creativecommons.org/licenses/by-sa/2.0/deed.en
(CC BY-Maximilian Schönherr SA 1.0
http://creativecommons.org/licenses/by-sa/1.0/deed.en
Farbfoto
CC BY Simon Schoeters Cimm 2.0
http://creativecommons.org/licenses/by/2.0/deed.de
Farbfoto Transparent: Autofreier Tag - verbrennt Kalorien statt Benzin
(CC BY-350 .org NC-SA 2.0)
http://creativecommons.org/licenses/by-nc-sa/2.0/deed.de