<p>The title of the book is Natural wonder the Great Barrier Reef.</p><p>The Great Barrier Reef, located off the coast of Australia, is the world's largest coral reef system and was designated a World Heritage Site in 1981.</p><p>The reef is home to over 600 species of coral and thousands of species of marine life that depend on each other to maintain the ecosystem. However, the reef is under threat due to overfishing, marine accidents, tourism, and climate change.</p><p>The Great Barrier Reef is protected by a marine park, and it is our responsibility to preserve this important natural heritage.</p>
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