
Reveals the engineering secrets built into six modern wonders - from Europe's fastest passenger train and largest luxury cruise ship, to North America's toughest bridge and the world's mightiest heavy-lift aircraft.
7.5
7.5
7.4
8.2
8.2
8.1
8.0
6.2
7.3
7.1
6.4
8.1
8.8
7.7
7.1
8.1
8.0
7.5