About the Author: Dr. Inocent Moyo is a Senior Lecturer and Head of the Department of Geography and Environmental Studies, University of Zululand, South Africa. His researches borders, migration, development and regional integration, urban and cross border informal economies with a focus on Africa in general and the Southern Development Community, SADC, region specifically.Prof. Trynos Gumbo is an Associate Professor and Head of the Town and Regional Planning Department at the Faculty of Engineering and the Built Environment, University of Johannesburg. His research interests largely lie within the sustainable urban planning and development domain, where he specifically focuses on the application of geographic information systems and related technologies to provide novel insights on innovative urban transport systems, renewable energy, and informal urban economies and housing.