As the drought grows more and more severe in central California, farmers turn to 'water witching' to find groundwater. Using nothing else but a stick known as a divining rod, water witches dowse for water in the hope of locating a spot to dig a well and tap into aquifers. AFP meets David Sagouspe, who has worked as a dowser for more than 40 years, offering to help the largest farmers in central California. IMAGES AND SOUNDBITES