Geographic Subject
Africa
4
Netherlands
4
Poland
3
Pyrenees (France and Spain)
3
Russia (Federation)
3
Russian Far East
2
Siberia
2
United States
2
America
1
Arctic regions
1
Asia, Southeastern
1
Canada
1
Developing countries
1
France
1
Germany
1
Great Britain
1
Japan
1
Mexico
1
Saint Helens, Mount, Region
1
Siberia, Eastern
1
Tropics
1
Vārānasi (Uttar Pradesh, India)
1
Washington (State)
1