Structure being lowered into the sea
Media playback is unsupported on your device

Norway starts work on underwater factory

A project has begun to build the world's biggest underwater factory, off the coast of Norway.

The Statoil equipment has been designed to pump some £20bn ($30bn; 23bn euros) worth of gas from a depleted gas field.

Roger Harrabin reports.

  • 06 Aug 2013
Go to next video: On board Norway's giant gas platform