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According to the Great Barrier Reef Marine Park Authority (GBRMPA), the current, living reef structure is believed to have begun growing on the older platform about 20,000 years ago. The Australian Institute of Marine Science agrees, placing the beginning of the growth of the current reef at the time of the Last Glacial Maximum. At around that time, sea level was 120 meters (390 ft) lower than it is today
NIKON CORPORATION NIKON D700, f/8 @ 55 mm, 1/1000, ISO 280, No Flash
© 2013 Fred Henstridge Photography