Konza City is a $ 9.2 billion dollar technology and financial metropolis project located southeast of Nairobi . Great Pool Dam , Congo , could be the world 's largest hydroelectric dam . Rwanda 's Konza City is one of many futuristic cities in the pipeline . Ethiopia 's Ethiopian Renaissance City could rival neighboring Sudan and Egypt .
Great Pool Dam , Congo , could be the world 's largest hydroelectric dam . Rwanda 's Konza City is one of many futuristic cities in the pipeline . Ethiopia 's Ethiopian Renaissance City could rival neighboring Sudan and Egypt .