After 18 million man-hours of development and 14 months of construction, the world's largest ship took to the water earlier this month, and Shell has put together a video of the Prelude's maiden voyage.

Taller than the Empire State Building and weighing over 600,000 tons, the Prelude is a floating city that will suck natural gas from the ocean's depths off the coast of Australia, liquify 3.9 million tons each year, and then offload it to smaller ships to move to the mainland. It's set to begin working in 2017, and will stay at its new home 300 miles from the coast of Broome, Western Australia through 2042.