Tanzania, April 17 -- Tanzania in 2006: a land plunged into darkness. Generators roar from every corner, spewing black smoke as businesses struggle through endless power cuts. This energy crisis, fuelled by a brutal drought, exposed a harsh reality that Tanzania's leaders had failed to prepare for. But amidst the blackouts, a daring solution emerged.

Enter China with a technological behemoth: the Three Gorges Dam in China's Hubei province. This engineering marvel dwarfs anything Tanzania has seen - a 2.3-kilometre giant with a 660km long reservoir, all for a cool $22.5 billion. Being the largest dam in the world by installed capacity, and ten times bigger than the Nyerere Dam, the Three Gorges Dam isn't just about showing off. It control...