Nearly 3,000 people monitoring the Railway Ministry's war room worked round the clock for 51 hours to ensure the tracks were laid, bodies cleared and trains running at the Odisha triple train crash site that claimed 288 lives. Apart from bracing up to the biggest challenge that is not over yet - identification of all bodies and struggling to preserve them till they are claimed. Vasudha Venugopal explains what went on behind the monumental relief and restoration exercise.