Space

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Across
  1. 4. the most important parts are enlightened in a rather dark space
  2. 5. the tracks of a railway are always next to each other
  3. 7. where sky and earth meet
  4. 10. wide view
  5. 11. flying in the air and looking at the view below
  6. 12. there seems to be real space but there ins’t
Down
  1. 1. the lines that go to one or more vanishing points
  2. 2. as vertical as a piece of lead hanging down from a rope
  3. 3. a method for drawing space correctly on a piece of paper
  4. 6. fading of colour and shape
  5. 8. when an object is partly placed behind another
  6. 9. when the vanishing points are to close to the object that’s drawn in perspective, the proportions seem to be wrong