Canary Islands
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Sao Tomé Island
Madagascar Island
Comoro Islands
Zanzibar Islands
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Socotra Island
Great Rift Valley
Darfur
Sahara
Kalahari Desert
Namib Desert
Senegal River
Gambia River
Niger River
Congo River
Orange River
Limpopo River
Zambeze River
Nile River
Lake Chad
Lake Victoria
Lake Tanganica
Lake Malawi