The data includes all of the scratch paper left behind by the computers.

Along the way, Bob encounters many objects left behind by past miners.

Men and women left behind by the spirit of uncaring time.

Arrowheads left behind by the tribe can still be found today.

We knew the makes of the guns left behind by the kidnappers, and maybe that would turn into something.

The only evidence are footprints left behind by Mara herself.

Before long I was all alone, a child left behind by those with quicker hands and stronger backs.

He saw the impressions left behind by the dead ones.

"Or perhaps some sort of terraforming experiment, left behind by a race long gone."

The cabin also offers some items left behind by other guests.