What’s behind the great Nordic cultural wave which has swept across the world in recent years – the great TV series, burgeoning art scene, and Oscar-winning films? The answer is collaboration, as we hear from star of ‘The Bridge’ Sofia Helin, among other leading figures from the Nordic arts scene. ‘The Foreign Desk’ and our Denmark correspondent Michael Booth have teamed up with the Nordic Council of Ministers for a series of five special, monthly episodes delving deeper into topics of global importance from the region, the second of which looks at cultural collaboration.