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1. What is the most dangerous city in Europe?
2. How many valves do common trumpets have?
3. Where did James Cook die?
4. Who recorded the song "Summer Of '69"?
5. Which is the only country in the world that is completely located at least 1,000 metres (3,281 ft) above sea level?
6. In December 1987, the "Doña Paz" sank while carrying passengers around the islands of which country?
7. Which country has the only country flag in the world showing humans?
8. Which continent has the highest percentage of landlocked countries?
9. In which country is the town of Schengen (gave its name to the Schengen agreement) located?
11. Which country borders the northernmost point of the Adriatic Sea?
12. Where would you find the deepest hole in the world?
It's the "Kola Superdeep Borehole", located on the Kola peninsula in Russia.