wikimedia.org/wiki/File:Andaleeb-Wajid-postcard.pdf, A. Wajid social media team / CC BY-SA 4.0 https://commons.wikimedia.org/wiki/File:Gender_of_Communi
org/wiki/File:WLM_Nachwuchs_in_K%C3%B6ln.jpg
Young participants; A young participant in Köln, Germany during Wiki takes Köln. Elke Wetzig / cc-bysa
http://commons
in Köln - 4914, by Raimund Spekking, cc-by SA 4.0
https://commons.wikimedia.org/wiki/File:Technische_Wünsche_-_Workshop_spezialisierte_Suche_in_Köln-4914