Region
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Paris (France)
3
Poland
3
Prince William Sound
1
Russia
2
Russia (Federation)
1
Santorini Island (Greece)
1
South Africa
2
Southern States
2
Superior, Lake
1
Texas
2
Trinidad and Tobago
1
United States
32
Venice (Italy)
1
Vermont
1
Wales
1
Warsaw
1
West (U.S.)
6
Wisconsin
1
Yukon Territory
1
États-Unis
1