Nan Madol is built on an open ocean reef and nobody lived nearby for 1000 years before it

I got obsessed with this after reading about it in some obscure Pacific archaeology journal someone posted here a while back. Nan Madol is off the eastern shore of Pohnpei island in Micronesia. It's a series of artificial islets built on a coral reef — like Venice but 2000 years older and nobody kno……