Conservation work is now being carried out using material with properties similar to those of the original stone.

Some of the original stones remained unused in the process.

Where possible, many of the original stones were used in the reconstruction.

Some of the original stones were recovered to be used in the basement section.

You have to establish where the original stone came from.

The original stone was removed during the work to set up the new one.

Probably the original stones were used in the building of the house.

It was later destroyed, then rebuilt in the 1930's, using some of the original stones.

"Are they trying to say that the Orb is only half of this original stone?"

In addition, the original stones of the bridge were cleaned up.