Crossword of European cities

Hello readers, are you good doing crosswords? The last work that I did was a crossword using the programme "Hot potatoes". To do the crossword I had chosen the topic of most important cities of Europe. Is a crossword with the capitals of European Countries and the clues are their pictures and some significant sentences. Here you have the crossword if you want to do it. Who is the best?

Crossword

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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Across: 1. In 1970, it was recognized by UNESCO as the cleanest industrial town of the world. 3. The capital of Bosnia and Herzegovina. 5. 6. 8. It became the capital of the Irish Free State and later the Republic of Ireland. 10. 11. Novak Djoković, the best tennis player in the world, was born there. 13. Is the capital of Spain. 14. It was the location of President of the United States Barack Obama's speech on 5 April 2009. 15. 16. The 2010 Giro d'Italia started off there.

Down: 2. As of 2010, it's metropolitan area is home to approximately 22% of Sweden's population. 4. 5. Old Trafford ground, the largest club football ground in the United Kingdom, is there. 6. 7. It is often called the "Gateway to Europe". 9. It is located in northwest Switzerland on the river Rhine. 11. 12. Is the capital of Portugal.