An old school bus is illuminated with Christmas lights on the Dungiven Road in Londonderry. PRESS ASSOCIATION Photo.
The world's tallest digitally-animated Christmas tree using four digital signs, for the first time, was lit today on One TImes Square, Thursday, Dec. 18, 2014, in New York. AP Images
Olympic swimmer Michael Phelps speaks with reporters after he walked out of a courthouse where he pleaded guilty to drunken driving, Friday, Dec. 19, 2014, in Baltimore. He was sentenced to a year in prison for the Sept. 30 arrest, but the prison sentence is suspended. He must be on probation for a year and a half.(AP Photo/Patrick Semansky)
Gene Desrosiers, dressed as Santa Claus, rides his scooter down Sconticut Neck Rd., Friday, Dec. 19, 2014, in Fairhaven, Mass. (AP Photo/Standard Times, Peter Pereira)
Photo provided by the Douglas County Sheriff shows a car driven by Cheryl Smith afte she drove it into the Nevada Gold and Coin Shop in Minden, Nev. Authorities say Smith, 74, was arrested after she used her Pontiac Grand Am to hit the shop about three times before she broke down the wall and drove inside. AP Photo
A screen grab of a You Tube clip of a the deepest fish filmed as scientists discovered several new species on their trip to the Mariana Trench in the Pacific. PRESS ASSOCIATION Photo.
Artists of the Cirque du Soleil perform during the show "Quidam" at the Meo Arena pavilion in Lisbon, Portugal Thursday, Dec. 18, 2014. AP Photo
An artist of the Cirque du Soleil performs during the show "Quidam" at the Meo Arena pavilion in Lisbon, Portugal Thursday, Dec. 18, 2014. AP Photo/
Israeli troops fire tear gas towards Palestinian protesters following a prayer for Palestinian Cabinet minister Ziad Abu Ain, who collapsed shortly after a protest on Dec. 10 in the West Bank village of Turmus Aya, as they clash with the troops near the village outside of Ramallah, Friday, Dec. 19, 2014. (AP Photo/Majdi Mohammed)
A woman who identified herself as the mother of missing student Adan Abarajan de la Cruz, 23, sits next to Mexican army soldiers standing in front of the entrance to the 27th Infantry Battalion base in Iguala, Mexico, Thursday, Dec. 18, 2014. Relatives of the 43 missing students blocked the entrance to the base in protest over the army's alleged responsibility or lack of response during the night of Sept. 26 when 43 students were taken by municipal police and then handed over to a drug gang to be killed and then the bodies burned, according to the results of the Attorney General's investigation. (AP Photo/Felix Marquez)
Window cleaners dressed as zodiac animal of horse, and sheep clean the glass exterior of a hotel as a helper dressed as Santa Clause holds the rope in Tokyo, Friday, Dec. 19, 2014. (AP Photo/Eugene Hoshiko)
A Pakistani woman lights a candle during a vigil to pay tribute to the victims killed in Tuesday's Taliban attack on a military-run school in Peshawar, outside the Pakistani Embassy in Jakarta, Indonesia, Friday, Dec. 19, 2014. (AP Photo/Dita Alangkara)
Three of the newly born cheetah quadruplets rest at their enclosure in Prague's zoo, Czech Republic, Friday, Dec. 19, 2014. The four cubs we're born on Nov. 21, 2014. Scientists say every cheetah cub is critical to saving the species, which is threatened with extinction in the wild. (AP Photo/Petr David Josek)
St Mary's Cathedral is illuminated as part of a Christmas lights display in celebration of Christmas on December 19, 2014 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)
Christmas lights are seen in Pitt Street Mall as part of a display in celebration of Christmas on December 19, 2014 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)
Rector of St James, the Reverend Andrew Sempell departs following a special service of prayer and reflection at St. James Church on December 19, 2014 in Sydney, Australia. 33-year-old cafe manager Tori Johnson and 38-year-old Sydney barrister Katrina Dawson were killed during a siege in the early hours of Tuesday morning after Man Haron Monis took hostages at the Lindt Chocolate Cafe in Martin Place. (Photo by Brendon Thorne/Getty Images)