Attribution: Jos Damen and Ursula Oberst, The African Studies Centre Leiden and Wikipedia in “Usmaradio” for the radio program “Scuola di pensiero / School of Thought” by Iolanda Pensa, recorded at Wikimania Stockholm, Sweden, August 2019, cc by-sa all.
Photo by The African Studies Centre Leiden Hansmuller, 2017, courtesy Wikimedia Commons, cc by-sa 4.0.
Link: https://commons.wikimedia.org/wiki/File:ASC_Leiden_-_Library_-_Poster.jpg