Livro: Footprint Reading Library - Level 5 1900 B2 - Opa! Town - Rob Waring

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Editora: Cengage Learning
Ano: 2008
ISBN: 9781424012015
People from around the world travel to Coober Pedy, Australia, with hopes of getting rich. This town is full of valuable stones called 'opals'. Some opals are worth millions, but they are extremely hard to find. What influences the value of an opal? What does it take to find them?