Here's a new video developer diary from Valiant Hearts: The Great War, kicking off a series of such looks at the World War I adventure coming next month to Windows, Xbox One, Xbox 360, PS4, and PS3. Word is: "Today, Ubisoft released the first video in a series of Developer Diaries for Valiant Hearts: The Great War. Presented by Art Director Paul Tumelaire, the following video focuses on “Art & Emotion” in the game and details how the team developed the unique art style and concept used to tackle the emotional story of everyday citizens during the First World War."