History: Colored photo of the cascades of Bergpark Wilhelmshöhe, a landscape park in Kassel, Germany, and a future UNESCO World Heritage Site. Cascades are created from the 92,000 gallons of water flowing through the then 200-year-old hydro-pneumatic devices. 1890 - 1905. [2536×3324]

https://upload.wikimedia.org/wikipedia/commons/1/17/Wilhelmshoehe_-_Herkules_mit_Kaskaden.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6f14t5/colored_photo_of_the_cascades_of_bergpark/?utm_source=ifttt