100th anniversary of the Titanic tragedy Friends and family of some of the descendants of those who died when RMS Titanic sank, throw flow...

100th anniversary of the Titanic tragedy

Friends and family of some of the descendants of those who died when RMS Titanic sank, throw flowers into the sea at Southampton Dock during a Centenary Memorial on April 10, 2012 in Southampton, England. The Titanic sank on April 15, 1912 after hitting an iceberg during its maiden voyage to New York from Southampton, England. [Photo/CFP]

Chinese sky lanterns decorate the area around the ArtScience Museum at Marina Bay Sands in Singapore April 10, 2012. Some 2,228 lanterns are hung around the museum to commemorate the maiden voyage of RMS Titanic 100 years ago on April 10, 1912, signifying the numbers of passengers onboard, according to the museum's press release. [Photo/Agencies]

Passenger Brian Alm adjusts his jacket as he walks the deck of the Azamara Journey cruise ship dressed in early 20th century period clothing, in New York April 10, 2012. The Azamara Journey will sail for Halifax, Nova Scotia, for a Titanic Memorial Cruise where passengers will visit a cemetery where victims of the sunken cruise liner are buried. [Photo/Agencies]

A passenger looks out over the deck of the Azamara Journey cruise ship in New York April 10, 2012. [Photo/Agencies]

Passengers on the Titanic Memorial Cruise dance to a Belgian string band after departure from Cobh April 9, 2012. The ship's authorities have decided to cancel scheduled ballroom dancing on April 10 due to rough seas. The cruise is retracing the voyage of the ill-fated Titanic liner, which hit an iceberg and sank 100 years ago on April 15, 1912. Picture taken April 9, 2012. [Photo/Agencies]

Passers-by look over replicas from the film "Titanic" on display at Bonham's auction house in New York April 10, 2012. Bonham's will sell off items such as telegrams, books, newspapers, and replicas from the film "titanic'" for the auction "R.M.S. Titanic: 100 Years of Fact and Fiction" on Sunday, April 15, 2012. [Photo/Agencies]

A launch ticket for the Titanic is put into a case at Bonham's auction house in New York April 10, 2012. A rare original launch ticket that could sell for up to $70,000 will be the highlight of an auction in New York of Titanic memorabilia to mark the centennial anniversary of the ill-fated voyage, Bonham's said on Tuesday. The ticket, which has its perforated admission stub still intact, would have allowed its holder to the launching and christening of the Titanic. [Photo/Agencies]

 A Centenary Memorial is held on April 10, 2012 in Southampton, England. The Titanic sank on April 15, 1912 after hitting an iceberg during its maiden voyage to New York from Southampton, England.