Fireworks light the sky near a giant Christmas tree in Puerto Princesa city, Palawan, west of Manila December 1, 2012. The Philippines, a mainly Roman Catholic country, celebrates one of the longest Christmas holidays in the world, playing Christmas carols in shopping malls in September and putting up lanterns and fireworks early in December.
A 36-metre tall Christmas tree is lit up in central Stockholm December 2, 2012.
Britain's Prime Minister David Cameron and television talent show X Factor finalists and judge Nicole Sherzinger stand with school children after switching on the lights of the 10 Downing Street Christmas tree, in central London December 3, 2012.
The U.S. Capitol Christmas Tree is pictured against a backdrop of the U.S. Capitol Building in Washington, December 4, 2012 during the official lighting ceremony for the tree.
A man blows his trumpet from the Old Town Hall Tower as a Christmas tree is illuminated at the Old Town Square in Prague December 5, 2012.
Lights illuminate a 32-meter Christmas tree, a fir from the Abreschviller forest in the Alsace region, which is installed for the first time for the holiday season on the Place de la Concorde in Paris December 6, 2012.
A Christmas tree is displayed at a shopping mall as the territory prepares to celebrate the Christmas holidays, in Hong Kong Monday, Nov. 26, 2012.
A Christmas tree is lit up to celebrate the upcoming Christmas holiday in front of City Hall in Seoul, South Korea, Wednesday, Dec. 5, 2012
The Holiday Tree is seen at the 5th annual Holiday Tree Lighting at L.A. Live and opening of LA Kings Holiday Ice on Wednesday, Nov. 28, 2012, in Los Angeles.
An abstract light installation replaces the traditional Christmas tree at the Grand Place in Brussels, Saturday Dec. 1, 2012. Traditionally, a 20m (65ft) pine tree from the forests of the Ardennes decorates the city's central square, the Grand Place. This year, it has been replaced with a 25m (82ft) construction.
The Rockefeller Center Christmas Tree is lit during the 80th annual tree lighting ceremony at Rockefeller Center in New York, Wednesday, Nov. 28, 2012.
Municipal workers decorate a Christmas tree in front of St. Vladimir Cathedral in St. Petersburg November 28, 2012. Authorities plan to erect 68 trees in Russia's second city to celebrate the festive period, only one of which will not be artificial, according to city officials.
Fireworks explode from a Christmas tree during the lighting ceremony at Rodrigo de Freitas Lake in Rio de Janeiro December 1, 2012.
U.S. President Barack Obama delivers remarks during the 90th lighting of the National Christmas tree in front of the White House in Washington, December 6, 2012.
The official White House Christmas Tree festooned with ornaments is shown in the Blue Room at the White House as First lady Michelle Obama welcomed military families for the first viewing of the 2012 holiday decorations in Washington, November 28, 2012.
People enjoy the Christmas illuminations at the Royal Treaty street in Warsaw, Poland, Saturday, Dec. 1, 2012.