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** FILE ** Local residents use railroad tracks to cross a heavily flooded area where car battery recycling was done until neighborhood children started dying of lead poisoning, in Thiaroye Sur Mer, Senegal Tuesday Sept. 9, 2008. After an unexplained illness killed 18 children in the town of 100,000 on the outskirts of the capital, authorities discovered that years of car battery recycling had left deadly levels of lead contamination in the soil. Clean up operations have been made more difficult by the yearly rains that leave residents wading through knee-deep water inside their cement-block houses for months at a time. (AP Photo/Rebecca Blackwell) ** zu unserem Korr **