This is a photo of breakwater blocks (tetrapods). Multiple gray concrete breakwater blocks are stacked and installed as a seawall along the coast. This is recommended for materials related to coastal engineering and disaster prevention.
The photo material of 'Stacked Wave-Dissipating Blocks' is free material that can be used for both commercial and non-commercial purposes without charge. No membership registration is required, and there are no quantity limits or paid sales. Please read the "Terms of Use", and only if you agree, you may use the S/M/L and cropped images.
Main usage examples of photo materials include TV telops, blog eye-catch images, YouTube thumbnails, tracing and sketching, presentation materials, etc.
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