Prelude is the largest floating platform ever built. At half a km long its a mammoth beast. Located NW of Broome in Western Australia it lies in the Indian ocean and collects and processes LNG gas for export. It was built in South Korea. Every day thousands of workers would arrive onsite and wait their turn to catch the elevators from the wharf to the deck of Prelude. The brave would stumble up the 12 flights of stairs