The passengers on the train are from different parts of the world

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Across
  1. 2. Robert De Niro, Leonardo Dicaprio and Danny DeVito are ...
  2. 4. Leo Tolstoy, Maria Sharapova and Vladimir Putin are ...
  3. 7. Queen Elizabeth II, William Shakespeare and Harry Styles are ...
  4. 9. Barbara Palvin, Joseph Pulitzer and Calvin Klein are ...
Down
  1. 1. Albert Einstein, Angela Merkel and Adolf Hitler are ...
  2. 3. Barack Obama, Donald Trump and Will Smith are ...
  3. 5. Avicii, Greta Thunberg and Zlatan Ibrahimovic are ...
  4. 6. Jean-Claude Van Damme, Stromae and Audrey Hepburn are ...
  5. 8. Tom Hanks, Aristotle and Socrates are ...