oops - a slight miscalculation?

[NutmegCT]

Plans for an underwater art installation and artificial reef went askew, when the barge and massive concrete representations of the Easter Island "moai" statues began listing and sank upside down into the deep. Near Deerfield Beach, Florida.

https://www.sun-sentinel.com/local/broward/fl-deerfield-reef-sinking-20150607-story.html

 

[MikeP]

And 1000 years from now when the barge has rusted away and the incident has been forgotten, there will be debates among our new alien overlords over when exactly it was a vanished civilization lived on the ocean floor there....

 

[Brooklands]

And 1000 years from now when the barge has rusted away and the incident has been forgotten, there will be debates among our new alien overlords over when exactly it was a vanished civilization lived on the ocean floor there....

The lost suburb of Atlantis...

 

[Elva164]

They forgot most of the Moai statues...