Region
Russia (Federation)
5
Soviet Union
5
India
3
Africa
2
Siberia
2
Afrique
1
Arctic regions
1
Asia
1
Asie
1
Baltic States
1
Bashkortostan
1
Bir Kiseiba
1
Bir Kiseiba (Egypt)
1
Bir Kiseiba (Égypte)
1
Désert Occidental (Égypte)
1
Egypt
1
Europe
1
Europe, Eastern
1
Greece
1
Indonesia
1
North Atlantic Region
1
Poland
1
Russian Far East
1
Siberia (Russia)
1
Thailand
1
Western Desert (Egypt)
1
Égypte
1