European mountains

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Across
  1. 4. THE HIGHEST MOUNTAIN IN EUROPE
  2. 5. THE NATURAL BORDER BETWEEN EUROPE AND ASIA
  3. 6. THE MOUNTAINS BETWEEN FRANCE AND SPAIN
Down
  1. 1. THE MOUNTAINS BETWEEN ROMANIA, HUNGARY AND POLLAND
  2. 2. AN ITALIAN MOUNTAIN
  3. 3. THE MOUNTAINS BETWEEN RUSSIA, AZERBAIJAN AND GEORGIA