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Nargis Bibi, 12, draws water from a well near her home at a brick factory in the village of Tarlai, on the outskirts of Islamabad, on March 18, 2012. Residents living in and around the factory say water levels in the wells have dropped over the years, and alter with seasonal rainfall, and that new wells are regularly dug to reach the groundwater
© Rebecca Conway/IRIN