Cryptic Underground

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Across
  1. 4. Where the money is.
  2. 5. Also found in Chelmsford.
  3. 6. The longest reign.
  4. 8. Tall building on a mountain.
  5. 10. A bear.
Down
  1. 1. Riley's team.
  2. 2. It's falling down.
  3. 3. Bad news for Napoleon.
  4. 5. Dogs found here.
  5. 7. Singles or doubles?
  6. 9. You won't find acrobats at this university.