The concrete geodesic dome is made up of 316 individual hexagonal and pentagonal shapes in 16 different sizes, with each of the pieces about 12 feet across and 7,500 pounds. More from Deadline ...

Historically, engineers supported domes with iron chains ... It will take a lot of iron chains and money to keep your heavy concrete dome from collapsing. Besides, there's an easier -- and ...

One of the largest domes in the world, the Pantheon, is made of concrete. You saved a lot of money building this dome with concrete. But remember: concrete is very heavy. About halfway down the ...