Preparing the reservoir for conservation and filling with black plastic balls. Shadow balls are small plastic balls that float on the surface of the t


Preparing the reservoir for conservation and filling with black plastic balls. Shadow balls are small plastic balls that float on the surface of the tank and prevent water from evaporating


Size: 5184px × 3456px
Location: Poland
Photo credit: © Jan Kravtsov / Alamy / Afripics
License: Royalty Free
Model Released: No

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