crossword puzzle

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Across
  1. 2. an area of darkness, caused by light being blocked by something
  2. 4. stupid or not reasonable
  3. 6. valuable, useful or necessary
  4. 10. extremely big, or much bigger than other similar things
  5. 12. an area of low land between hills or mountains
  6. 13. the coldest season of the year
Down
  1. 1. a vehicle that hangs from and is moved by a cable and transports people up to the mountains
  2. 2. the light that comes from the sun
  3. 3. to change something slightly, especially to make it more correct, effective or suitable
  4. 5. to put something in a particular position
  5. 7. liked, enjoyed or supported by many
  6. 8. to make something that has never been made before
  7. 9. a route or track between one place and another
  8. 11. a place where people live, usually larger than a village but smaller than a city