51.5 MB (5.1 MB compressed)
5197 x 3465 pixels
43.9 x 29.5 cm ⏐ 17.3 x 11.6 in (300dpi)
DIRK WIERSMA / SCIENCE PHOTO LIBRARY DIRK WIERSMA / SCIENCE PHOTO LIBRARY
Columnar basalt breakwater. Close-up of columns of basalt being used to form a breakwater along the coast in the Netherlands. Basalt is a natural rock that occurs in many places all over the world. Thanks to their consistent six-sided (or more rarely five-sided) circumference, these columns provide a close-knit and durable construction material that is very good at resisting the sea. The use of this material is very widespread in the Netherlands.
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