3-th episode of 2-th season "Cities of the Underworld"

What "Cities of the Underworld" 3-th episode about

Tokyo, Japan is a city straight out of the future, above ground and below. Go beneath the busy streets to see the latest technology that will save the city from the many natural disasters ready to strike. From there go back in time to World War II to see how Hiroshima's underground offered protection from the most powerful bombs.

Episode number: 3

Episode name: "A-Bomb Underground"

Episode release date: 12 february 2008 at 02:00

Status: aired