“Berlin: Symphony of a Great City” (Berlin: Die Sinfonie der Großstadt), a silent film, dir. Walther Ruttmann, 1927 (67 min). An experimental documentary depicting a single day in the life of the German metropolis. Some of the footage was shot with a hidden camera. The film presents a broad picture of the city and its inhabitants in 1927. The screening is organized as part of the Festival of Regional Cultures…