Related by context. Frequent words. (Click for all words.) 54 Namib Desert 53 highlands 52 Great Rift Valley 51 Nile delta 51 Afar region 51 lowlands 51 Skeleton Coast 50 pastoralism 50 subsistence farmer 50 Sahelian 50 Okavango Delta 49 alluvial deposits 49 fertile soils 49 escarpments 49 Omo River 49 Saharan 49 arid lands 48 semi arid 48 arid 48 bushveld 48 Abyssinia 48 pastoralists 48 Ngorongoro 47 Kalahari desert 47 Mountainous 47 aridity 47 Himba 47 semi arid regions 46 arid desert 46 Niassa 46 Ethiopia 46 Sub Sahara 46 barrenness 46 goldminers 46 Kalahari Desert 46 goldfields 46 Rukwa 46 alluvial mining 46 Dark Continent 46 savannah 45 Lake Natron 45 greenstone belts 45 Lalibela 45 Nuba 45 Rupununi 45 Zambezi river 45 grassy plains 45 Geologically 45 Kagera 45 Equatorial 45 savanna 45 Gambella 45 Okavango 45 deep gorges 45 fertile plains 45 pastoralist communities 44 nomadic tribe 44 pastoralist 44 Amazonian rainforest 44 highland 44 semiarid 44 parching 44 Dogon 44 Thar Desert 44 backlands 44 Ethopia 44 Thesiger 44 Peruvian Andes 44 Selam 44 lowland 43 Escarpment 43 Jebel 43 Ngorongoro Crater 43 Empty Quarter 43 Shilluk 43 Sahara Desert 43 Elgon 43 semi nomadic 43 Saharan desert 43 Ruvuma 43 lush rainforest 43 Sumba 43 peasant farmer 43 Arid 42 equatorial 42 Eritrea 42 prolonged droughts 42 limestone cave 42 Sahel 42 glaciated 42 Atlas Mountains 42 pampas 42 Dakhla 42 Afar 42 Patagonian 42 Lake Kivu 42 savannahs 42 Tewodros 42 coastland 42 diggings 42 Lake Turkana