An international story of greed, survival and environmental disaster. For the past 2 decades more than 7,000 rusting hulks of the world's largest ships have been driven onto the remote beaches off the Arabian Sea to be dismantled for scrap by hand, piece by piece. One worker a day, on average, dies on the job, evaporated in explosions, crushed by falling steel, cut in half by cables or broken up in falls.