Governors Island, the biggest concentration of the bivalves in New York Harbor in probably 100 years or so.
And in a matter of weeks, they will be replanted at six difference sites around the harbor.
The return of oysters, if this works, would come after more than a century of pollution and over harvesting devastated what once fed the immigrants of New York.
"They filter out any bad stuff … and keep the harbor clean," said Hanaa Butcher, 16, and a student with the New York Harbor School on Governors Island.
Butcher and a couple of dozen other students at the school have been involved for months in growing the oysters, monitoring their health, and now preparing for a massive planting on the half a dozen living room-sized reefs being built by the Army Corps of Engineers.
To read the rest of the story, please go to: NBC New York.