Greek Things

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Across
  1. 2. Yoghurt and cucumber dip
  2. 3. 42,200m
  3. 5. Socrates, Plato, Aristotle etc...
  4. 6. Son of Zeus who sings Go the Distance
Down
  1. 1. Third letter of greek alphabet
  2. 4. Greek city, all of them lead to home