HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY HUBERT RAGUET / LOOK AT SCIENCES / SCIENCE PHOTO LIBRARY
Swimming pool safety testing. Worker testing out a swimming pool alarm system to see if it is affected by ripples caused by wind. The wind is replicated here with the use of fans (top) at the end of the building. Photographed at the CSTB (Centre Scientifique et Technique du Batiment), Nantes, France.
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