The Teenagers have a tendency to get up to mischief when they're bored.

It's as true today as it's ever been.

So when four teenage boys found themselves with a spring afternoon on their hands, they

did what any English lad might have done in 1943, they went poaching.

They were only hunting for birds' nests, really.

It was April and spring meant nests full of eggs, so they went exploring in their area

of stirbridge, there in the Midlands of England.

Over the course of that afternoon, their search brought them to a private park known as

Hagley Woods, and that's when they saw the tree.

It was a massive elm, with an overgrown trunk that looked more like a hedgehog than a plant,

with thin, wispy branches that stuck out toward the sky.

Some people called it the witch elm.

It was strong, it was climbable, and most importantly, it was perfect for nesting, so one of

the boys scaled up the side of it.

When he reached the top and began to look for nests, he found something entirely different.

A skull was staring up at him from the hollow center of the tree.

The boy assumed it was from an animal and plucked it free from the branches.

That's when he noticed how large it was, and the patches of hair that were still attached.

Human hair

The grizzly discovery kicked off one of the biggest unsolved mysteries in modern England.

Beneath the skull, lodged in the hollow center of the tree, was a complete skeleton.

It belonged to a young woman of unknown origin and unknown identity.

...