London

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Across
  1. 1. A historic fortress and former prison. (5 letters)
  2. 3. The river that flows through London. (6 letters)
  3. 4. A famous clock tower in London. (6 letters)
  4. 6. PARK A popular park in central London. (8 letters)
  5. 7. The capital of the UK. (6 letters)
Down
  1. 2. A giant Ferris wheel on the River Thames. (3 letters)
  2. 3. London's underground transport system. (4 letters)
  3. 5. You might sing about this being "falling down." (6 letters)