Where the person go ?

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Across
  1. 4. When we swallow a liquid
  2. 6. It's a great line of underground travel that allows us to go where
  3. 7. A person with a lot of knowledge
  4. 9. A person who takes pictures
Down
  1. 1. Is the middle of a town
  2. 2. When it's raining we use an...
  3. 3. Person who is not here
  4. 5. This is something we take to put our stuff when we go on holidays
  5. 8. The king of animals