Attractions in croatia

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Across
  1. 2. Public celebration or parade including mask and public street party
  2. 3. children play with it
  3. 4. A natural underground space large enough for a human to enter
Down
  1. 1. A large landform that stretches above the surrounding land
  2. 2. Home of the King and Queen
  3. 3. Placed around your neck when you wear a suit