Time capsules

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Across
  1. 2. A time capsule must not be ...... before a certain date.
  2. 4. The Diamond Jubilee corresponds to the 60th ...... of Queen Elizabeth's reign.
  3. 7. In 2065, laptops will have ...... books !
  4. 9. "Have you ever ...... a letter to yourself ?"
Down
  1. 1. It is where you place a time capsule after closing it.
  2. 3. This verb means "put something in the ground".
  3. 5. "I haven't made a list of my friends ...... ."
  4. 6. At the beginning of a letter, "...... Calvin".
  5. 8. Sophia has placed a ...... of her hair in her capsule.
  6. 10. Hobbes is a stuffed ...... .