Geographic Subject
Russia (Federation)
52
India
46
Indonesia
22
China
17
Germany
16
Soviet Union
16
Sweden
16
Siberia
12
Northern Hemisphere
10
Arctic regions
9
Russian Far East
9
Tropics
9
Argentina
7
Asia, Central
7
Belgium
7
Europe
7
France
7
Philippines
7
Siberia (Russia)
7
Africa
6
Mexico
6
Russia
6
Alabama
5
Brazil
5
Korea (South)
5
Russia, Northern
5
Russian Far East (Russia)
5
Sakha
5
South Africa
5
Switzerland
5
Arctic Regions
4
Asia, Southeastern
4
Bangladesh
4
Greece
4
Japan
4
Malaysia
4
North America
4
Poland
4
Sri Lanka
4
Tanzania
4
United States
4
Africa, East
3
Africa, West
3
Algeria
3
America
3
Antarctica
3
Australia
3
Baikal, Lake (Russia)
3
California
3
Canada
3
more ...