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Red Sea Reef
Photograph by Nick Caloyianis
A wave breaks over a coral reef in the Red Sea. Coral reefs form when colonies of tropical marine plants and animals with limestone skeletons rise atop earlier generations.
Photograph by Nick Caloyianis
A wave breaks over a coral reef in the Red Sea. Coral reefs form when colonies of tropical marine plants and animals with limestone skeletons rise atop earlier generations.