Shouting over the rattle and creak of his antique Range Rover as it speeds north from Nairobi, Christian Lambrechts is an affable harbinger of destruction. The gleaming new Thika Road is jammed solid with traffic into town. Nairobi is a city on the rise, and a symbol of Africa’s urban future. A decade of uninterrupted economic growth in Kenya has seen the city become the centre of the region’s boom time. Plate-glass complexes are bursting out of the earth along every highway to house the country’s emerging middle class.