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coral reef

Nan Madol: Ceremonial Center of the Eastern Micronesia: Pohnpei Island.

Nan Madol: The Mysterious Ancient Coral Reef City

Nan Madol is the only ancient city ever built upon a coral reef. It is comprised of a set of almost 100 stone and coral filled platforms atop artificial islands separated by narrow channels and...
Nan Madol

The mysterious ancient coral reef city of Nan Madol

Off the island of Pohnpei in Micronesia, lies the ancient city of Nan Madol, the only ancient city ever built upon a coral reef. Comprising a set of almost 100 stone and coral fill platforms atop...