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Sent First look at biggest world: Prelude

December 16, 2014 at 18:11 GMT clock Last updated

A shipyard in South Korea is building the world's largest ship that had ever seen - a platform, gas processing for the energy company Shell.

More than four fields laid end to end football, almost half a kilometer stretches (1,600 m).

Known as foreplay, the ship finally docked at a gas field in the waters of Australia and remote control is designed to to offer a new way of gas on the world market.

BBC has exclusive access to the building and science writer David Shukman had a chance to look around.