Despite being just over 30 years old, rebuilding work began in spring 2010 and is expected to be completed in 2012.
This was followed by rebuilding work to the wing in 1977.
Although the works numbers went up to 100, probably only twenty were new, since the company carried out a great deal of rebuilding work.
Rebuilding work began, but was ended by the Galilee earthquake of 363.
Instead, it took until July 1986 for rebuilding work to begin.
Rebuilding work began in June 2005 and was completed three years later.
Additions were made in the 17th century, when rebuilding work was carried out following the earthquake.
Rebuilding work was completed in the Decorated style around 1340.
In 1506, the great central tower collapsed and although rebuilding work began the next year it was not completed till 1538.
However, rebuilding work was still incomplete, and the line did not reopen to passengers until 16 April 1980.