The unbelievable stories of two new Titanic ships

More than a century after Titanic set sail on her ill-fated maiden voyage, we take a look at two extraordinary projects vying to recreate the iconic doomed ship: Australian billionaire Clive Palmer's Titanic II; and the Unsinkable Titanic, set to be the star attraction at the Romandisea resort in Sichuan, China. But will these projects ever set sail, or are they destined to disappear without trace? Read on to find out.