SEGOU, MALI - FEBRUARY 24: A woman cleans rice along the Niger river on February 24 2011, in Segou, Mali. This area of Mali is fertile because of the Niger river and the many dams and channels built to help irrigate for farming. A channel has been built nearby by a Chinese company and it will help Libyan investor to do large scale farming in the area. They have signed a land lease with the government and many farmers has been moved away from their land. Photo by Per-Anders Pettersson..