Sources for Images and Graphics
Fotolia.de
128379829 – porte clés métal : choose your future – © Jérôme Rommé
63178882 – British Yellow Wagtail standing on floating garbage and sewage – © davemontreuil
Hofgarten Pavilion, Bayreuth, Germany
by GertGrer (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons
Worlitz Venus Temple
by Thomas Guffler (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
Palace Garden – Eutin, Germany
by Christian Frederik Hansen [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY 3.0 (http://creativecommons.org/licenses/by/3.0)], via Wikimedia Commons
Breakfast Pavilion – Kassel, Germany
by YPS (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons