 |
| |||
| river system | |||
| система рек: 12 phrases in 7 subjects |
| Astronautics | 1 |
| Ecology | 5 |
| International transportation | 1 |
| Makarov | 2 |
| United Nations | 1 |
| Water resources | 1 |
| Water supply | 1 |
|
| |||
| river system | |||
| система рек: 12 phrases in 7 subjects |
| Astronautics | 1 |
| Ecology | 5 |
| International transportation | 1 |
| Makarov | 2 |
| United Nations | 1 |
| Water resources | 1 |
| Water supply | 1 |