Series profiling the biggest construction projects. A global project, the International Space Station will cost billions and take years to construct.
Series profiling the biggest construction projects. A global project, the International Space Station will cost billions and take years to construct.
Episode 1
A 1200km pipe to pump gas from Norway to the UK is being constructed on the sea bed. But building a kilometre beneath the ocean is problematic.
Episode 2
How are engineers and astronauts from 16 countries building a research centre for this $60bn space station, which orbits earth every 92 minutes?
Episode 3
Will the rollercoaster with the steepest drop on earth, or the longest track in history, or the most crossovers on record, win the battle to be the best?
Episode 4
The UK's main line is being replaced piece by piece like a giant jigsaw. But with 20 million passengers a week it can only be worked on at weekends.
Episode 5
Billions of dollars of diamonds are buried in a barren part of Canada. Finding them first is the difference between going bust and winning big, and the race is on.
Episode 6
It's the biggest subway expansion in history, but will engineers manage to tunnel under this bustling metropolis without collapsing the city's skyscrapers?