AMAZONIA
| Date | Clue |
|---|---|
| 2019-08-03 | Endangered watershed |
| 2018-05-26 | About a third of South America |
| 2012-05-19 | Rain forest region |
| 1997-03-21 | Vast river basin |
| Date | Clue |
|---|---|
| 2019-08-03 | Endangered watershed |
| 2018-05-26 | About a third of South America |
| 2012-05-19 | Rain forest region |
| 1997-03-21 | Vast river basin |