Why is Edinburgh Castle famous?

Related questions

1. Can you take dogs into airports?
2. How many castles are left in Scotland?
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4. Who attacked Edinburgh Castle?
5. How long do you spend at Edinburgh Castle?
6. Is Edinburgh a safe place to live?
7. What happened to the clans of Scotland?
8. Is Edinburgh Castle free entry?
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Tags

1. #impressive
2. #edinburgh
3. #castles
4. #volcano
5. #foundation
6. #actually
7. #castle
8. #famous
9. #extinct
10. #rocky
11. #million
12. #known
13. #scottish
14. #volcanic
15. #above
16. #perhaps
17. #certainly
18. #important