Jobs and tourism

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Across
  1. 3. person who sells things
  2. 4. the lungs of the earth
  3. 6. person who is teaching us english language
  4. 7. person we come to when we are sick
  5. 8. famous castle in france
  6. 9. someone who conducts scientific research to advance knowledge in an area of interest
  7. 10. country with biggest wall in the world
Down
  1. 1. person who arrests thieves
  2. 2. man who discovered electricity
  3. 5. where the pharaoh was buried
  4. 6. person who is training people something
  5. 9. famous statue in New York