

Follow a team of more than 10,000 engineers and construction workers as they race to build a brand new railway under London - Crossrail - London's new Underground.
BBC Two

Julian Barratt
Himself - Narrator

1. Urban Heart Surgery
A look at London's Crossrail, which requires building 42 km of tunnels under the city

2. Tunnels Under the Thames
Engineers building Crossrail battle to rebuild a Victorian tunnel under the Royal Docks.

3. Platforms and Plague Pits
The engineers building Crossrail race to build ten new train stations across London.