The lighthouse

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Across
  1. 2. peek, peep
  2. 4. tamped, rolled
  3. 7. old,aged
  4. 8. admire, contemplate
  5. 9. hardened, wise
  6. 12. marine bird
  7. 13. polished, shiny
  8. 16. furious, violent
  9. 18. angrily, brutally
  10. 19. agitate, activate
  11. 20. dynamic, persisting
Down
  1. 1. spark, flash
  2. 3. keeper, custodian
  3. 5. decrepit, old
  4. 6. remote station
  5. 10. moan, groan
  6. 11. excluding, ignoring
  7. 14. depressing, colorless
  8. 15. alter, change
  9. 17. waterproof clothing