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That first picture is definitely not vegetation or a flower.

Wth is that? A baby wrapped in plastic?

A baby born without amniotic sac.

Not born without amniotic sac, but rather born with the amniotic sac intact.

This is called an en-caul birth and there is a lot of very old superstitions about people born en-caul, mostly that it was good luck.

Ah, yes, I read 'sans' rather than 'dans'. Thanks!

A baby "born under a caul". A rare occurrence, it was taken as a sign of extremely good luck in many cultures a long time ago.