Waring Rob: Opal Town
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Жанр : Heinle/Cengage Learn
Издательство : Heinle/Cengage Learn
Год издания : 2008
Аннотация:
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?