| Answer | Crossword Clue |
|---|---|
| NILE | The world's longest river |
| CAIRO | City on the world's longest river |
| NILEBASIN | Drainage area of the world's longest river |
| NILE | World's longest river |
| SHADEOFGREEN | World's longest river |
| YANGTZE | World's third longest river |
| AMAZON | World's second-longest river |
| LENA | World's seventh-longest river |
