The First World War From Above 2010 one on netflix

The story of the Great War told from a unique new aerial perspective. Featuring two remarkable historical finds, including a piece of archive footage filmed from an airship in summer 1919, capturing the trenches and battlefields in a way that has rarely been seen before. It also features aerial photographs taken by First World War pilots – developed for the first time in over ninety years – that show not only the devastation inflicted during the fighting, but also quirks and human stories visible only from above.