Beautiful World

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Across
  1. 1. a large underground chamber, typically of natural origin, in a hillside or cliff
  2. 3. a steep rock face, esp. at the edge of the sea
  3. 7. very impressive
  4. 9. a thick forest with many large plants and tall trees growing very close together, usually in an area that receives a lot of rain
  5. 11. a large area of land that is covered with trees
  6. 13. a naturally raised area of land, not as high or craggy as a mountain
  7. 14. a way or track laid down for walking or made by continual treading
Down
  1. 2. an area of lower land between two mountains or hills
  2. 4. a piece of land that is completely surrounded by water
  3. 5. a slowly moving mass of ice formed by the accumulation and compaction of snow on mountains or near the poles
  4. 6. very dry, receiving very little rain
  5. 8. a deep valley with very steep sides of rock that usually has a river running through it
  6. 10. having a lot of healthy plants
  7. 12. smooth and level, without higher or lower areas