Living in shadows: A child's rare disorder

By Ashley Strickland, CNN

Updated 1639 GMT (0039 HKT) March 31, 2016

Alex Gentile plays on a playground in Valbrona, Italy. The 8-year-old has a rare disease that makes him incredibly sensitive to sunlight.
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Alex Gentile plays on a playground in Valbrona, Italy. The 8-year-old has a rare disease that makes him incredibly sensitive to sunlight.