Ancient underground building stone quarries are rather common. They are known since at least the Old Kingdom in Egypt, some 6 500 years ago, when fine limestone was quarried underground close to Cairo (Tura) in order to provide casing stones to the Giza pyramids. But underground quarries are, interestingly, quite rare in the European Middle…
A slacker pilgrim's guide to Nidaros cathedral in Trondheim
Nidaros Cathedral - History and Facts
Nidaros Cathedral In Trondheim Norway The City Of Kings
brent-porsgrunnmarmor.jpg
Joanna Pyrgies
Nidaros Cathedral - Lycée Ferdinand BUISSON ELBEUF
Hrad Devín, Bratislava - Cyril and Methodius Route - Cultural Route of the Council of Europe
The Complete Guide to Trondheim's Nidaros Cathedral
The cathedral of Nidaros: building a historic monument - Document - Gale Academic OneFile
A “North Sea School of Architecture?”: Nidaros Cathedral's Romanesque Transepts and North Sea Medieval Architecture
Nidarosdomen Per Storemyr Archaeology & Conservation
Ancient Egypt Per Storemyr Archaeology & Conservation
Nidaros Cathedral - Wikipedia