Łódź in 3 days: the Polish city built in one generation by textile barons who lived in palaces next to their factories, where 230,000 Jews were imprisoned and deported in the longest-lasting major ghetto of WWII, where the film school that trained Polański, Wajda, and Kieślowski is still teaching in a Stalinist building, and where a litre of milk bar żurek soup costs less than a London coffee.