After a long and costly period of restoration initiated in 1978, the works finished in December 2010, with the discovery and restoration of the frescoes in the royal chamber and antechamber. The magnitude of the historical research, as well as the scope of the works and the absence of external subsidies must be taken into account when considering the 32-year-long restoration, during which the most difficult task was the financial restructuring of the foundation’s heritage.”
This passage describes a long-term restoration project that took 32 years to complete. It highlights the significant financial resources required, the historical research involved, and the challenges faced in managing the project's finances.