![](https://www.historynet.com/wp-content/uploads/2022/03/Austrian-artillerymen-scaled.jpeg)
A four-man team of soldiers in an Austrian artillery unit ready an 8cm Feldkanone M.5, the standard field gun of the Austro-Hungarian army in World War I, that’s been hidden in the entrance to a cave. (Österreichische Nationalbibliothek)
Österreichische Nationalbibliothek