Region
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Singapore
23
West (U.S.)
23
Kenya
22
Arctic regions
21
Ireland
21
London (England)
21
Syria
21
Norfolk
20
Russia
20
British Columbia
19
Greece
19
Netherlands
19
Paris (France)
19
Bosnia and Herzegovina
18
Cuba
18
Mars (Planet)
18
New England
18
Indonesia
17
Los Angeles
17
Rome
17
Sydney (N.S.W.)
17
Illinois
16
Boston
15
Kent
15
Maine
15
Milan (Italy)
15
North Carolina
15
Peru
15
Southern States
15
Polar regions
14
Saskatchewan
14
Soviet Union
14
Turkey
14
Chile
13
Ethiopia
13
New Hampshire
13
Palmerston North
13
Saskatoon
13
Vietnam
13
Iran
12
Nevada
12
Paignton
12
Philippines
12
Poland
12
Saudi Arabia
12
Serengeti National Park (Tanzania)
12
Tauranga
12
Uganda
12
Argentina
11
Arizona
11
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