Building the Great Cathedrals

Season 37 Episode 11 | 53m 7s Video has closed captioning.

How did medieval engineers construct magnificent skyscrapers of glass and stone?

Aired: 10/18/10

Expires: 05/18/22

Rating: TV-G

Problems Playing Video? | Closed Captioning

Funding for NOVA is provided by David H. Koch, the Corporation for Public Broadcasting and PBS viewers. Original funding provided by Exxon Mobil, Pacific Life, the David H. Koch Fund ...