Use your brain! With that message, Immanuel Kant called on people to think for themselves. Born 300 years ago in Königsberg, Prussia, he developed his philosophy in a world of absolutist rulers. He confidently called on people to stop allowing themselves to be treated like "dumb animals" by politicians and the church. And he was almost shockingly modern: His motto was "Make laws, not war.” Berlin - THE hotspot for spies. Nowhere else did the secret services of East and West clash as closely as in this city on the frontlines of the Cold War. Arts Unveiled delves into the shadows of Berlin and uncovers incredible stories from ex-agents. Germany 2024.