general knowledge

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Across
  1. 2. City of canals in Italy
  2. 6. Inventor of the light bulb
  3. 8. Space traveler
  4. 9. Musical instrument with keys
Down
  1. 1. Tallest land animal
  2. 3. Dome-shaped shelter made of snow
  3. 4. Dramatic performance set to music
  4. 5. Celestial body with a glowing tail
  5. 7. Deep valley with steep sides
  6. 9. Black-and-white bear native to China