Assertion: archipelago's area | /r/HasProperty | more than 15 000 km2
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Source sentences:
text: The total area, including lagoons within atolls, is more than 15 000 km2, of which 12 642 km2 are accounted by the Great Chagos Bank, the largest acknowledged atoll structure of the world (the completely submerged Saya de Malha Bank is larger, but its status as an atoll is uncertain).