Time Scanners: Colosseum
Preview | 30s
"Colosseum" – Laser-scanning experts try to discover how the Colosseum's mysterious roof really worked and even how the mighty Colosseum will perform in computer testing against a modern sports stadium. (Also Fri. 12/18 at 2 a.m.; Sun. 12/20 at 2 p.m.)
Aired: 12/16/15
Expired: 12/16/15
