Swimming

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Across
  1. 3. What happens if the swimmer goes before the pistol?
  2. 5. How many flags were raised in London 2012?
  3. 7. What year was its debut?
  4. 8. Swimming has existed since the….
  5. 10. When did women's swimming join the Olympics?
Down
  1. 1. How many strokes are there in the Olympics?
  2. 2. Where were the first Olympics with swimming?
  3. 4. When were swimming goggles permitted in the Olympics
  4. 6. Was it one of the original sports?
  5. 9. Where did they build the pool?