Extreme Engineering

Find out how to overhaul one of the nation’s oldest and most traveled subway systems without shutting down a city for several years. (44 min, 5 segments)

A Discovery Channel program about a visionary plan for a city in a pyramid on Tokyo Bay. To build it, planners intend to use science and technology that’s on the bleeding edge and may actually shape the direction in technology, transportation, construction. (42 minutes in 5 segments)