good infographic on Notre Dame reconstruction https://t.co/6f9bDpaxJZ
The renaissance of Notre-Dame Cathedral: Behind the scenes of a monumental restoration • FRANCE 24
youtu.be
How robots could save one of the world's most unusual cathedrals | CNN
cnn.com
By doing so, he completed the dome in just sixteen years, remarkably swift for the period.
The Eiffel Tower was built in 2 years and 2 months; that is, in 793 days.