By Orlando Oliver on January 3, 0126 10:47 PM
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built under the reign of Emperor Hadrian and used as a place of worship since.
the building is made of varying densities of concrete, with the lightest (containing a pumice aggregate)at the top, reducing the self weight of the 42m span.
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This page contains a single entry by Orlando Oliver published on January 3, 0126 10:47 PM.
![panfeon [640x480]](http://www.aadip9.net/timeline/WindowsLiveWriter/PantheonAD126_13B48/panfeon%20%5B640x480%5D_3.png)
![panfeonout[2]](http://www.aadip9.net/timeline/WindowsLiveWriter/PantheonAD126_13B48/panfeonout2.png)
