Impossible Engineering

Season 3 Episode 5: Mega City Railway

Uncover what it took to build one of the most ambitious rail projects in history, London's Crossrail. This staggering feat will span over 73 miles and transport 200 million people a year around one of the world's largest and busiest cities.

Genre:

Documentary

Seasons:

10

Episodes:

82

Cast:

Mike Bratton, Susie Sheehy

Quality:

HD

Duration:

42 min

First Air:

2015

Rating:

7.1