The child abuse poster only kids can see

A Spanish charity has unveiled an innovative new anti-child abuse poster that only kids can see.
The Anar Foundation image uses a special printing technique more commonly seen on novelty postcards to ensure its important message is only visible to children.
A child looking at the poster would see a bruised kid with the message "If someone hurts you, phone us and we'll help you" alongside the foundation's abuse helpline number, while adults only see a picture of a scared child.
The foundation said the poster was designed to pass information to children who might be accompanied by their abuser.
"It is a message exclusively for them, hidden from adult's eyes," advertising agency Grey Spain said.
The Anar Foundation poster as seen by children.
The Anar Foundation poster as seen by adults.
The image displays differently depending on how tall the viewer is. Those from a lower vantage point, for example children, would see the helpline number, while adult-sized individuals would just see a warning against abuse.
"It uses a lenticular to combine two images, and we have calculated an area visible only by children under 10 — and a warning for adults," the agency said.

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