I'm wondering what prevented them from doing x-rays on the package, or an echography, or something to find out what's inside? I mean, I get that they want to ke

I'm wondering what prevented them from doing x-rays on the package, or an echography, or something to find out what's inside? I mean, I get that they want to keep the mystery, I just don`t think I'd be able to contain myself for 100 years!