Geographic Channel:

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Across
  1. 1. The town covered in ash
  2. 4. Where the Pope lives
  3. 5. Capital of Romania
  4. 6. Europe's longest river
  5. 7. The land of a thousand lakes
  6. 9. The country Frederic Chopin was from
Down
  1. 2. The largest Inca city
  2. 3. Deepest lake
  3. 8. The largest island belongs to it
  4. 9. City of Love