KEY FACTS Location: off Temwen Island, Pohnpei, Federated States of Micronesia Setting: a monumental complex constructed across a shallow tidal reef Main monumental period: approximately AD 1200–1500 Scale: more than ninety artificial islets, tidal channels and massive basalt enclosures Associated culture: Pohnpeian; closely connected with the Saudeleur dynasty World Heritage: UNESCO World Heritage Site since…