naturally dried sea urchin shell display top black rock with sky wave and more rocks the background

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Naturally dried up Sea Urchin Shell on display on top of a Black Rock with sky, sea, wave and more rocks in the background

Naturally dried up Sea Urchin Shell on display on top of a Black Rock with sky, sea, wave and more rocks in the background. This photo was taken at Ile aux Cerfs (Deer Island) Mauritius. It has beautiful shape and colour pattern. It is also called a hard test composed of fused plates of calcium carbonate which enclosed the internal organs.