Bethany Bell, the BBC's Vienna Correspondent, evokes both the public face of Austria-Hungary's capital and the simmering tensions which underlay its multi-national empire on the eve of the greatest conflagration the world had yet seen.
Maria Margaronis explores the legacy of Gavrilo Princip, the Bosnian Serb whose shots sparked the Great War. His deeds, memory and legacy remain contested in the Balkans and beyond.