Subject Region
Mexico
87
United States
76
Greece
67
England
58
China
57
India
51
Rome
51
Great Britain
49
Japan
42
Egypt
41
Indonesia
40
France
39
Brazil
34
North America
34
Peru
32
Europe
31
Papua New Guinea
31
Italy
24
Middle East
22
Sri Lanka
21
Latin America
20
Nigeria
20
Spain
17
Australia
16
Kenya
16
Africa
15
Ghana
15
South Africa
15
Andes Region
14
Guatemala
14
Zambia
12
America
11
Great Plains
11
Ireland
11
Southwest, New
11
Tibet Autonomous Region
11
Bolivia
10
Madagascar
10
Ohio
10
Byzantine Empire
9
Canada
9
Central America
9
Malaysia
9
Russia (Federation)
9
Africa, Central
8
Bali Island
8
Cameroon
8
Ecuador
8
Nepal
8
New York (State)
8
more ...