1. Jane Battersby (PhD) is Senior Research Officer at the African Centre for Cities, University of Cape Town, Environmental and Geographical Science Building, University of Cape Town, Rondebosch 7700, Cape Town, South Africa; Vanessa Watson (PhD) is Professor in the School of Architecture, Planning and Geomatics, Centlivres Building, University of Cape Town, Rondebosch 7700, Cape Town, South Africa;