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The Federated States of Micronesia is a federation of four island states, Yap, Chuuk, Pohnpei and Kosrae, spread across about 2,700 km of the western Pacific. Independent since 1986 in free association with the United States, it is home to the stone ruins of Nan Madol and to Yap's giant stone money.

Nan Madol, Pohnpei
Photo: Uhooep, CC BY-SA 4.0