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Across
  1. 3. another name of dihydrogen monoxide
  2. 4. first name of a surrealist Spanish artist referenced in the series "Money Heist"
  3. 6. the only Olympian able to cross the border between the living and the dead in Greek mythology
  4. 7. massive trash dump area in Bekasi
  5. 9. the opening of photographic lenses similar to the iris in human eyes
  6. 11. one of the early gaming consoles founded by Nolan Bushnell
  7. 12. the month in which Christmas is celebrated
  8. 14. fabric material also known as polyethylene terephthalate (PET)
  9. 16. one of the tools to administer medicine into the body
  10. 17. a man-made structure Holland is famous for
  11. 18. oldest surviving university in the English-speaking countries
  12. 19. Quasimodo and Esmeralda "The Hunchback of..."
Down
  1. 1. last name of 2021 Formula One driver champion
  2. 2. motorcycle brand famous for its "Ninja" lineups and green livery
  3. 5. octopus, nautilus, squid, cuttlefish
  4. 8. polygon with eighteen sides
  5. 10. largest crater on earth
  6. 13. spiders are in this group of animals
  7. 15. convective cloud that produces precipitation