Why do people move to new places?

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Across
  1. 2. the family of kings and queens.
  2. 3. things are expensive and elegant.
  3. 5. commercial business.
  4. 6. become aware of. to see.
  5. 7. easy to be seen.
  6. 12. symbols of countries that has many colors.
  7. 14. usual. common. normal.
  8. 15. when things are shining and much light.
Down
  1. 1. something normal and usual.
  2. 2. to show.
  3. 4. the possibility of suffering from harm and injury.
  4. 8. when there is no harm, threat, and risk.
  5. 9. the opposite of heavy.
  6. 10. a happy moment when man and woman become husband and wife.
  7. 11. an action, movement, or sound that gives information.
  8. 13. conflicts between countries and people.