Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.

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 Check 

Across: 7. An animal that was brought to Mljet because of many vipers. 8. Large holes in the ground. 11. Lakes which vanish from time to time. 12. Scenery that can be seen in a single view. 13. The year when Mljet was proclaimed a national park.

Down: 1. Endangered species of seal that live in the Adriatic. 2. Trees and other plants. 3. Large straight clearings in the relief. 4. A hill of loose sand. 5. If you catch them their tail might fall off. 6. Reptiles without legs. 9. Groups of trees. 10. Acorns grow on this tree.