Video reveals Titanic's condition

New pictures have emerged of the shipwreck of the Titanic, almost 25 years since it was first discovered.

More than 1,500 passengers and crew died when the ship struck an iceberg and sank in the Atlantic almost a century ago.

Now with the use of robots and hi-tech equipment, more of its secrets have been revealed.

The BBC's Nicola Pearson reports.

Video courtesy Premier Exhibitions, Inc./ Woods Hole Oceanographic Institution