Next on Episode 5

Aired: 12/16/2015 | | Promotion
Uncover some engineering secrets of the ancient Roman arena. How did the Romans produce gladiatorial games there? How did the Colosseum’s roof really work? How does the structure perform in computer testing against 21st-century sports stadiums? Premieres Wednesday, December 16, 2015 at 10/9c. Check local listings.

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