Tire Reef Blunder
FORT LAUDERDALE, Fla. It took only days to create what was touted as the world's largest artificial reef in 1972, when a well-intentioned group dumped hundreds of thousands of old tires into the ocean.
But the tires turned out to be a reef killer, turning a swath of ocean floor the size of 31 football fields into a dead zone. Now divers expect to spend years hauling them to the surface.
Military crews began retrieving the tires this week from about
70 feet underwater, ...
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