![](http://www.alamy.com/thumbs/6/B69EFCA9-C610-46A8-AE84-E0C50C1B635C/2B0WX75.jpg)
Old sludge pumps in the Old wastewater treatment plant (Stará čistírna odpadních vod) in Bubeneč district in Prague, Czech Republic. The sludge pumps were produced by Českomoravská strojírna in 1901.
Size: 5134px × 3744px
Photo credit: © Azoor Prague Photo / Alamy / Afripics
License: Licensed
Model Released: No
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