麻豆社

We meet some of the Tube's 3,200 drivers as they start their shifts and show us what really goes on behind the wheel. We also meet Andy Hogg in the control centre - the hub where the trains are controlled and directed. Finally, we meet the men of an Emergency Response Unit, primed to cope with any crisis on the London Underground. They're taking two body bags with them today - hoping they won't need them...