Nature

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Across
  1. 2. A plant that is smaller than a tree
  2. 5. The part of a plant that grows underground
  3. 7. An open green area without trees or buildings
  4. 8. A very hot and dry area covered with sand
  5. 9. A tree from the Pushkin's famous piece
  6. 10. Where birds lay their eggs
Down
  1. 1. A natural flow of water that crosses the land
  2. 3. The darkness produces when something blocks sunlight
  3. 4. Like a lake but smaller
  4. 5. Asteroids are made of this
  5. 6. A poetic name of the sky above