Later, at the outskirts of Duckburg, workers have already dug a hole leading deep underground.

The workers had dug tunnels underneath in order to connect the fortress with the powerhouse.

Without tools the workers dug into the soft clay with their bare hands, casting nervous eyes to the north for the expected attack.

Ice on the city hospital made shovelling hazardous and workers dug from their knees, he said.

The workers dig each day but slowly cease to understand the meaning of their work.

In this technique, workers dig a smaller tunnel known as a heading.

For the next year, workers dug in the soft sandstone beneath the thin layer of limestone that forms the river's bed.

Other workers simply dug pits, covered them with tarps and crawled in.

He said workers had dug a 30-foot trench along the side of the building.

Municipal workers dug the last five bodies out of the mound on Aug. 3, the police said.