Treasure! Archaeologists uncover treasure in Gloucester

All it took to excite the archaeologists were some black patches the size of serving platters in the red clay.

To the trained eyes of David Brown and Thane Harpole, these black patches marked spots where once, more than three hundreds years ago, there had been deep holes in the ground.

The scientists began digging, and soon confirmed their suspicions. The black soil they found told them they'd found postholes.