The ground is a sea of trash; the stench almost unbearable. Yet Pape Ndiaye, who speaks for the hundreds of scavengers who comb the vast garbage dump at Mbeubeuss, near Dakar, Senegal, is proud of his work — which, he says, allows him to retain his dignity. About 1Â 000 people grind a living from this mountain of rubbish spread over three hectares.