Dream time

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Across
  1. 1. show how to do a skill
  2. 3. it comes back
  3. 8. a collection of human beings
  4. 9. I am made of stone and I can brake things in one hit
  5. 12. it goes forward but dose not go back
  6. 13. the ideas or customs of a society
Down
  1. 2. learnt over time
  2. 4. people inhabiting a particular country
  3. 5. Blow on me with gentle lips down the pipe
  4. 6. having a shape which reduces the drag through the air
  5. 7. people born and living at the same time collectively
  6. 10. you sleep and do this
  7. 11. number one