Keith Buhagiar is a Ph.D. graduate in archaeology from the University of Malta specialising in hydrology, medieval and Early Modern Maltese cave-settlements and their related water management systems, as well as rural landscape development. Keith is a visiting lecturer in palaeochristian and medieval archaeology at the Department of Classics and Archaeology at the University of Malta, as well as a Head of Department for Environmental Studies and History at the Secretariat for Catholic Education, Malta. Research interests include central Mediterranean, North African and Near Eastern water management systems, troglodytism and Mediterranean settlement location and distribution.