The Eiffel Tower has 2.5 million bolts. It is also so light that if it was melted down into a base the size of its base it would only be three inches thick.
(The Great Courses – Understanding the World’s Greatest Structures)
The Eiffel Tower has 2.5 million bolts. It is also so light that if it was melted down into a base the size of its base it would only be three inches thick.
(The Great Courses – Understanding the World’s Greatest Structures)