Naturists Family (videos) So Its Not Considered Child Porn If The Family Are 'nudists'?

So its not considered child porn if the family are 'nudists'? - naturists family (videos)

Someone who can chat with his old me naked pictures and videos of children when the family nudists or naturists. I wonder why such is not considered pornography? It's just "porn" when it comes to sex? I know it's a strange question, but "man is the way of life" .... made me curious