South African couple, Lionel Faull and Kate Laing, is trekking through the continent using only public transport.
Starting in South Africa, they are travelling about 7,000km through Mozambique, Zimbabwe, Zambia, Malawi, Tanzania, Kenya, Uganda and Rwanda.
The pair is documenting their journey on a travelogue called Public Transport Diaries.
To tell us more, John spoke to one of the intrepid travellers, Kate Laing, who is also a strategy consultant specialising in transport, water and other public goods in developing countries.
Laing described the difficulties getting around, sometimes sitting on other commuters' laps and hitchhiking because no transport was available.
Read more on their blog here: publictransportdiaries.com