Summer-time nature

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Across
  1. 5. a big plant with leaves
  2. 6. many trees
  3. 7. kawa
  4. 9. tobu butter
  5. 10. a strong insect
Down
  1. 1. mizumi
  2. 2. yama
  3. 3. an insect that jumps
  4. 4. a pretty plant
  5. 8. a land in the sea