Additionally , the floor was returned to its original level in 1975 and the crypt reopened .
In the 20th century the main aim of renovations has been to emphasize the late Romanesque architecture and to reverse some modifications made in the 1850s .
The floor was returned to its original level in 1975 and the crypt reopened .
In the 20th century the main aim of renovations has been to emphasize the late Romanesque architecture and to reverse some modifications made in the 1850s .