sentences:  The third spire rises above the roof's cross intersection and measured 45 metres tall from the ground, and is called "The Angelus Dei Tower".The building consists of two floors, the upper floor can be reached from a flight of stairs in the northern tower.Originally, the second floor used to be the place for the choir during masses, but since the cathedral is quite old, there is concern that the building cannot support the weight of too many people upstairs.