Across
- 4. organising holidays to faraway natural things
- 6. solid substances such as wood
- 8. food that is spicy has a pleasantly strong taste
- 9. being the only one of its kind
- 10. the effect or influence of an event or situation
- 11. go on a difficult journey on foot
Down
- 1. providing holidays to places which are endangered
- 2. the protection of natural things
- 3. up to become larger and rounder than normal
- 5. to move or bend your body
- 7. able to continue without causing damage to the environment