The crystalline Ida (2013), about a novitiate nun in 1960’s Poland, whose discovery of a family secret provided a window into her country’s dark heart, helped establish Pawel Pawlikowski as a critical favourite, and a film-maker adept at using classical cinematic beauty to express historical discontent. His follow-up, Cold War, dedicated to Pawlikowski’s parents, is not explicitly religious in the same way. Set in Poland, just as the World War shifts into the Cold one, the film’s first and only strikingly denominational image is the bombed-out dome roof of a church. Most of the story takes place on the other side of the Iron Curtain, in nightlife spaces of cosmopolitan…