History: Aerial photo of one of the artillery heavily damaged Austro-Hungarian fortresses around the fortress city of Przemyśl (now in Poland), following Russian siege, it was longest siege of WW1, 1915 [1000 x 732]

https://i.redd.it/v2tsvwyylqw31.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/drohyt/aerial_photo_of_one_of_the_artillery_heavily/?utm_source=ifttt