speech Construction site of the Humboldt Forum Schlüterhof, Galerie Facade 05 speech Coincidentia Oppositorum 11 17 min read Tegel Palace - View to the corner towers with the wind reliefs Since 1766 owned by the Humboldt family, photo by Hedda Walther, 1936 © bpk / Photo: Hedda Walther speech A thoroughly modern past 1 14 min read