A girl looks on as she tends her livestock on the main road between Sanaa and the Yemeni governorate of Ibb, to the south of the capital Sanaa March 28, 2013.
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Cathie Rowand/The Journal Gazette/AP
Samuel Lawrence, 14, pours in the feed for the cattle from outside the pen at his family farm in Availla, Ind., Feb. 1, 2011.
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A boy sorts fish known as Pepesca or Ejote, after fishing with local fishermen at Lake Ilopango, in Ilopango on the outskirts of San Salvador March 20, 2013. Fishermen and members of the Friends of Lake Ilopango periodically clean the lake for weekend visitors and also to keep the fish population healthy.
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A supervisor (l.) instructs 13-year-old Ramesh Sardar of Nepal (c.) as he works on a construction site for a road in Katmandu, Nepal, June 12, 2013.
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A boy holds money in his hand after getting paid by passing drivers for filling potholes on a road on the outskirts of Tegucigalpa, Honduras, September 27, 2012.
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An Egyptian girl harvests wheat on field in Fayoum, south of Cairo, Egypt.
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An Afghan boy smoothes the inside of a clay oven at a pottery in Kabul June 6, 2011.
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A Bangladeshi child laborer works at a factory producing aluminum vessel in Dhaka, Bangladesh, Oct. 9, 2012.
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Pakistani Thaminah Sadiq, 7, works in a brick factory, on World Day Against Child Labor, on the outskirts of Islamabad, Pakistan, June 12, 2012.
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Boys hold trays of home made candies to sell as they scout for customers at a public beach in Boca Chica April 10, 2011.
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Melanie Stetson Freeman/Staff
A mother and her daughter upload the water on their burro that will be given to their cow in Tamaula, Mexico, on February 21, 2012.
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A Free Syrian Army fighter and a boy hold up weapons on a street at the Syrian town of Tel Abyad, near the border with Turkey, April 23, 2013.
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Herve Cyriaque Serefio/AP
Child soldiers walk the streets of the Central African Republic capital Bangui, March 27, 2013. The United Nations children's agency UNICEF representative Souleymane Diabate said that "recruiting children is both morally unacceptable and prohibited under international law." It has evidence that soldiers as young as 10 years old have been used by rebels not only as combatants but also as sex slaves, porters and cooks.
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Nepalese children rescued by police during a raid on embroidery factories sit at a police station in Katmandu, Nepal, June 13, 2013. Thirty nine children below the age of 14 were rescued from sari embroidery factories with the help of Nepalese police and steps are being taken to send them home to their families.