Africa is home to 54 countries that are worlds away from each other. Each holds a distinctive ecosystem, both natural and manmade, and is filled with some of the world's best food and drink, landscapes and nature. The Cairo to Cape Town Highway is number four on the Trans-African Highway, the longest of all the routes that straddle the entire continent from north to south. It passes through no fewer than 10 countries and links Egypt, Sudan, South Sudan, Ethiopia, Kenya, Tanzania