The World in Images


Great Barrier Reef | Hardy and Hook Reefs


View towards southwest. The Great Barrier Reef is the most extensive coral reef system worldwide, with almost 3000 individual reefs on a length of 2300 kilometres and a surface area of almost 350000 square kilometres. It was declared a UNESCO World Heritage in 1981. This image shows the Hardy Reef in the foreground and the Hook Reef in the background, separated by a deep tidal channel.

View on OpenStreetMap
on Monday 13 August 2012 by Martin Mergili
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