David Paul and Pupils of Chagu Primary School fetching water from the lake with crocodiles. Click to enlarge photos and graphics. David Paul (standing, left) uses a groundwater detection electrode system to survey water resources Kilimanjaro region. This work is part of a project to supply clean, safe drinking water to the Maasai Community of this area.     David Paul Blessing, current president of Engineers Without Borders-Tanzania (EWB-Tanzania), sat in his hotel room in Nguruka township after a long day of work. He and his team were on-site helping to develop safe drinking water sources and sanitation facilities for ...