CLAY COOLING - WORKSHOPAENKIDec 28, 20151 min readUpdated: Jan 25Reducing waste and improving profits for vendors in Addis Ababa. Workshop with Andrea diStefano, Edouard Cabay, and Melat Assefa at the EIABC Addis Ababa University, Ethiopia. Reducing waste and improving profits for vendors in Addis Ababa.