Rageh Omaar presents the current affairs series featuring in-depth reports from around the world. Alok Jha visits the forests and parks of Wyoming to explore the science behind the many wild fires that have raged across the western United States this past summer. Julie Etchingham returns to the city of Mostar, twenty years after reporting from there during the Bosnian war, to discover how the city has tried to heal the ethnic divisions brought to the fore by the conflict. Emma Murphy investigates Moldova to see the central role that the country's wine is playing in a complex geo-political game between Russia and the West.