Bonjour,
Réponse :
ACROSS:
2. KANGAROO
5. BOOMERANG
7. AUSTRALIA DAY
8. PLATYPUS
9. DIDGERIDOO
11. GUMTREE
15. OPERA HOUSE
17. HEMISPHERE
18. OUTBACK
DOWN:
1. KOALA
3. BUSH
4. CAMBERRA
6. MELBOURNE
10. DOWNUNDER
12. ULURU
13. ABORIGINALS
14. AUSSIE
16. MARSUPIALS
19. EMU
;)