Workers stand next to a NuPlanet's mini hydro plant in Bethlehem September 2, 2009. South Africa has scope to build mini hydro plants to help power some communities but the potential is finite and will have been used within the next four to five years, an industry official said. Picture taken September 2, 2009. To match interview SAFRICA-BETHLEHEMHYDRO/ REUTERS/Siphiwe Sibeko (SOUTH AFRICA ENERGY ENVIRONMENT)
REUTERS/SIPHIWE SIBEKO