Jul 16, 2010 Chugging out of Johannesburg’s razor wire-wrapped suburbs on the Trans-Karoo Express, and looking forward to an overnight journey to Cape Town, is an exhilarating experience.Much of the 26-hour trip is spent in the semi-arid Karoo, the great inland plateau that covers most of western South Africa.This epic area of rocky mountains and blazing sunsets certainly lives up to its name - a