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nationalgeographicdaily:

Ultraviolet Bath, Russia
Photograph by Joe McNally
Make-believe summer lasts for a minute or two as kindergarten children in sunless Lovozero bathe in ultraviolet light.  Brief exposure to UV radiation provides children with vitamin D, normally supplied by sunlight.  The “sunshine vitamin” strengthens young bones.

nationalgeographicdaily:

Ultraviolet Bath, Russia

Photograph by Joe McNally

Make-believe summer lasts for a minute or two as kindergarten children in sunless Lovozero bathe in ultraviolet light.  Brief exposure to UV radiation provides children with vitamin D, normally supplied by sunlight.  The “sunshine vitamin” strengthens young bones.

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