Since then, an 8-storey building has been added to the original structure.

Very few changes have been made to the original structure.

Three new levels of office space were added to the original 12-story structure.

One of them is the original structure, and the other was built in the 1980s.

To take the place of the original structure that was built in the 9th century.

In 1835, for example, a second house was joined to the original structure.

At present, about 80 original structures remain in the area.

Some elements of the original structure can still be seen within the building.

During the 19th century, most of the original structure was lost to significant construction work.

The original 1857 structure still stands near the current light.