Credits for the course Visual German.
The majority of images are from pixabay. Other photographs generally drawn from government sources (nasa.gov, noaa.gov). A few items from outside these sources are specifically cited:
“Rocket Man 02 - 2005 Melbourne Show” By Fir0002/Flagstaffotos is licensed under CC BY-NC 2.0
“تخطيط إسم محمد” by أبو بكر السوري is licensed under CC BY-SA 3.0
“Lectura para unas vidas” by Eneas De Troya is licensed under CC BY 2.0
“Hachindar Chhish Avalanche 2” by Pete Thompson (did not appear with licensing information)
“Free as a bird (in the cage)” by Nguyen Thanh Long is licensed under CC BY-SA 2.0
“human brain on white background” by DJ is licensed under CC BY-SA 2.0
“Present box” made by Freepik from www.flaticon.com
“Chronometer” made by Freepik from www.flaticon.com
“Number sign” made by Freepik from www.flaticon.com
“Oktoberfest Girl” by Lauro Sirgado is licensed under CC BY-SA 3.0
“Shaheed Minar” by Touhidur Rahman is licensed under CC BY-SA 4.0
“Dirndl mit Schnürung und grüner Schürze” by Nemoralis is licensed under CC BY 3.0