Polska's teacher in Berlin - 2008/9 Hito Steyerl (b. 1966), Factory of the Sun, 2015. High-definition video, color, sound; 22:56 min., looped; with environment, dimensions variable. Installation view: Invisible Adversaries, Hessel Museum of Art, Bard College, Annandale-on-Hudson, New York, 2016. Bard College, Annandale-on-Hudson, New York; Marieluise Hessel Collection. Image courtesy of the artist and Andrew Kreps Gallery, New York.