The origins of Oviedo Cathedral date back to the late 8th century, and it was continued to be build until 16 century.
Photos below are made in a bell tower, where we climbed using narrow staircase.
View of the very top of the tower.
The bell of course.
View from the top of bell tower.
The cathedral and the tower were damaged during civil war in Spain, and now there is restoration work in progress. Below there are gargoyles removed from the tower in order to be restored.