What material is the dome of Rome Pantheon made from?

concrete
marble
sandstone
wood
The temple - 43 meter in diameter - was built by emperor Hadrian. Its dome with 8-meter wide oculus was built of un­re­in­forced concrete that has been a mystery for ages. The weight of Roman concrete used to build the mono­litic struc­ture is merely 1/5 of common con­crete. Such effect was achieved by mixing in of volcanic tuff and pumice.

Answers distribution

concrete
marble
sandstone
wood
answers
flagthe United Arab Emirates
80%
10%
10%
0%
10
flagItaly
50%
25%
16%
8%
12
flagthe Netherlands
46%
23%
23%
7%
13
flagGermany
36%
15%
36%
10%
19
flagthe United Kingdom
30%
39%
30%
0%
33
flagPoland
27%
35%
31%
4%
1462
flagUnknown
19%
50%
23%
5%
202

Gender

men20%
women24%
concrete
20%
24%
marble
43%
28%
sandstone
30%
41%
wood
4%
5%

Language versions

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What material is the dome of Rome Pantheon made from?
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Details

Author: smyru
Illustration: Gonzalo Malpartida
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