Subject Region
United States
27
Great Britain
8
Africa
4
Boston
3
Hiroshima-shi
3
Hiroshima-shi (Japan)
3
Japan
3
Massachusetts
3
Czech Republic
2
East Asia
2
France
2
Germany
2
Africa, Eastern
1
Africa, North
1
Africa, West
1
Cameroon
1
Developing countries
1
England
1
European Union countries
1
Greece
1
Middle East
1
New Zealand
1
Northampton
1