Beyond its majesty, this magnificent building has the peculiarity of having a bell tower separate from its church.
But that isn't the strangest part, because it was relatively recently discovered that this spire, built in the 15th century, stood over a former charnel house where, at the end of the 18th century, mummies exhumed from the cemetery that once surrounded it were placed.
There were nearly 74 mummies in this rather unusual crypt.
Today, an audiovisual display retraces the genesis of this exhibition.
