Niger Nigeria Algeria Burkino Faso Senegal Guinea Niger Mauritania
Namib Kalahari Sahara Thar
France Britain Italy Spain
Segou Kayes Timbuktu Bamako
Bamako Timbuktu Gao Djenne
1970 1950 1980 1960
13.4 million 1.34 million 134 million 134 000
Nile Orange Niger Congo