Countries

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Across
  1. 4. it has 110 active volcanoes
  2. 5. the language is Mandarin
  3. 7. it has the biggest tree planted by people
Down
  1. 1. the capital city is Tehran
  2. 2. it is One of the happiest countries in the world
  3. 3. has one of the wonders of the world
  4. 6. one of the oldest countries in Europe