And there are plans to revive the war-battered Benguela railway, to connect Zambia's copper belt with the Angolan port.

ECONOMIST: An African success story

It has helped rebuild the Tanzam railway, for example, linking Zambia's copper belt, where China has large projects, and Dar-es-Salaam, where it has modernised the port.

ECONOMIST: Big developing countries are shaking up the world of aid