Àmbit geogràfic
United States
51
Soviet Union
18
France
17
Great Britain
17
Russia
16
Italy
15
Germany
12
England
10
New York (State)
9
Antarctica
7
California
6
New York
6
Russia (Federation)
6
Canada
5
China
4
Japan
4
Cuba
3
Czechoslovakia
3
Europe
3
Great Plains
3
Moscow (Russia)
3
Naples
3
Naples (Italy)
3
New York (N.Y.)
3
Rome
3
Scotland
3
South Africa
3
Spain
3
Australia
2
Austria
2
Berlin (Germany)
2
Denmark
2
East Hampton
2
Hiroshima-shi (Japan)
2
India
2
Los Angeles
2
Middle East
2
Mississippi River
2
Poland
2
Rome (Italy)
2
Salinas River Valley
2
Salinas River Valley (Calif.)
2
Sicily (Italy)
2
South Pole
2
Texas
2
Ukraine
2
4.280
1
Arctic Regions
1
Arctic regions
1
Asia, Central
1
més ...