5.3

Great Barrier Reef

Mysterious and only superficially explored by generations of the native Aborigines, Australia's Great Barrier Reef is one of the world's most extraordinary natural life systems. Twelve hundred miles long and made up of coral, it is the Earth's largest structure built by living things, in some places extending 120 miles into the sea. So many varieties of life call the reef home that more than a dozen species can be found within any square meter of its surface. This IMAX film brilliantly ...