Describes the causes and disastrous effects of tidal waves, as well as a history of the most devastating ones around the world, including the December 2004 tsunami.

Ocean in every 100,000 births, parents and doctors are presented with one of natures greatest challenges. Twins are born, to joined together. What causes twins to be born this way? What can Doctors do to help them? And what are the prospects for spend their lives joined together? This documentary, filmed in the USA, South Africa, Russia and Poland, tells the story of some of the most dramatic recent separations of conjoined twin babies - and interviews adult twins who remained conjoined.

At 0.58 GMT on 26th December 2004, the Eurasian and Australia tectonic plates clashed together. The resulting earthquake - the biggest for 40 years - triggered a powerful tsunami. This giant wave carved a path of destruction across the Indian Ocean. Entire towns were swept away, popular holiday destinations were completely destroyed, more than 300,000 people were killed and millions were left indesperate need of food and shelter.