Mystery Surrounding Ancient City Build Atop Coral Reefs Leaves Scientists Baffled

In a remote region of the western Pacific, just north of the equator, lies the ruins of the ancient and enigmatic city of Nan Madol. The magnificent ruin, built in a lagoon on the east side of Micronesian island Pohnpei, consists of 92 artificial islets constructed on coral reefs which are linked by a network […]