How Brunelleschi Built the World's Biggest Dome
Brunelleschi's dome in Florence is a miracle of science and engineering. HowStuffWorks takes a look at this iconic structure and how it was built.
Lisa Kling Getty Visst Designwild Giuseppe Zanoni Getty Suttipong Sutiratanachai Getty David Wildman Federico Zuccaro
Source: howstuffworks.com