Across
- 2. used for climbing up or down
- 3. together everyone achieves more
- 7. a difficulty or obstacle
- 9. a search engine
- 10. famous
- 11. an epidemic that's spread over the world
Down
- 1. a daring or risky activity
- 4. Happiness
- 5. immeasurably small
- 6. you should have this to get a letter or parcel
- 8. A collection of photos