Christine Dawood found herself trapped on the ship, waiting for signs that the Titan submersible carrying her family would surface. She talks in detail for the first time about those harrowing four days Walking into Christine Dawood’s kitchen, it’s impossible not to be drawn to the model Titanic in the centre of the room. Sitting in its own glass-fronted cabinet, the Lego ship is almost 1.5 metres long, constructed of 9,090 of the iconic plastic bricks. Dawood’s 19-year-old son Suleman spent almost two weeks building it. “People are always a bit shocked to see it,” she admits. “But what was I going to do? Break it up? Hide it away? Suleman put all those hours in.…