Handicapped Haitian boy Stevenson Joseph learns to use a 3-D-printed prosthetic hand at the orphanage where he lives in Santo, near Port-au-Prince, April 28, 2014. Handicapped from birth, Stevenson, 12, last month became the first recipient in Haiti of 3-D printer prosthesis, thanks to a British-born software engineer in California. [Photo/CFP]
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