Region
Great Britain
124
United States
64
England
38
Europe
24
London
10
Developing countries
7
Scotland
4
European Union countries
3
Germany
3
Netherlands
3
Australia
2
Berkshire
2
Canada
2
European Economic Community countries
2
Greece
2
Ireland
2
Italy
2
Mathematical models
2
Russia
2
Adelaide, South Australia
1
Argentine Republic
1
Avon
1
Barnsbury, London
1
Bath
1
Bergstrom Air Force Base (Tex.)
1
Bermondsey, London
1
Birmingham, W. Midlands
1
Blackburn
1
Blackburn (England)
1
Blackpool (Lancashire)
1
Blackpool (Lancashire, England)
1
Brasília, Brazil
1
Brazil
1
Brecon Beacons
1
Broxtowe
1
Broxtowe (England)
1
Burkina Faso
1
California
1
Cambridge
1
Canada, Northern
1
Cannock Chase Country Park (England)
1
Colorado River watershed (Río Negro Province)
1
Cumbria
1
Denmark
1
Denver
1
Deptford, London
1
Droitwich, Worcestershire
1
Dunfermline, Scot
1
EPCOT Center (Fla.)
1
East Asia
1
more ...