Region
prev ...
Tanzania
3
Thailand
3
Tunisia
3
United Arab Emirates
3
Uzbekistan
3
Albania
2
Andorra
2
Angola
2
Ascension
2
Bahrain
2
Bandiagara Caves (Mali)
2
Bangladesh
2
Benin
2
Burma
2
Cambodia
2
Cayman Islands
2
Côte d'Ivoire
2
Dominica
2
Egypt
2
Guyana
2
Isle of Man
2
Kenya
2
Lesotho
2
Libya
2
Liechtenstein
2
Macedonia (Republic)
2
Mali
2
Marshall Islands
2
Mauritius
2
Micronesia (Federated States)
2
Namibia
2
Nicaragua
2
Niger River Valley
2
Rwanda
2
Saint Vincent and the Grenadines
2
San Marino
2
Seychelles
2
South Sudan
2
Sudan
2
Uruguay
2
Vanuatu
2
Africa, Sub-Saharan
1
Armenia
1
Ascension Island (Atlantic Ocean)
1
Austria
1
Baghdad
1
Belarus
1
Bermuda Islands
1
Botswana
1
Brunei
1
more ...