The data held in old structure is then moved into the new locations.

He pulled the truck around onto the other side of the old structure.

"The old structure worked pretty well through the cold war," one senior government official said.

Figure 4 shows 2 examples of old and new structures.

It was built to replace an old structure from 1623.

He respected the amount of work that had gone into the old structure.

It was built between 1855 and 1858 in the site of an older structure.

But he was worried that they might be too heavy for the old structure.

"They see the old structures are not working very well, so they're willing to try anything."

"In our old structure, an idea like this would have been much more difficult to bring to life," he said.