Coastal defence. Precast concrete blocks at a harbour. This type of sea defence is known as rock armour. The piles of concrete dissipate the energy of
Coastal defence. Precast concrete blocks at a harbour. This type of sea defence is known as rock armour. The piles of concrete dissipate the energy of the waves, reducing coastal erosion. Photographed in Balchik, Bulgaria.
Size: 3466px × 5199px
Photo credit: © LEWIS HOUGHTON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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