What happened next is at the heart of the mystery.

I think a bit of mystery is always really good.

No idea, but a bit of mystery is always a good thing.

After more than a century and a half of mystery, they would finally know.

But the officials say the site is full of history and mystery.

The things I do to keep my air of mystery, he thought.

Though why he does want me here's a bit of a mystery.

Why he should have done so is a bit of a mystery.

Which made their current position even more of a mystery.

But what happened is not really much of a mystery.