Week in Pictures 6 - 10 December
13
U.S. President Barack Obama and his family react as his daughter Sasha (L) pushes the button to light the National Christmas Tree during a ceremony on the Ellipse in Washington December 9. (Kevin Lamarque/Reuters)
14
The National Christmas Tree is lit in front of the White House during the National Christmas Tree Lighting ceremony in Washington December 9. (Molly Riley/Reuters)
15
A van drives past frozen trees with the air temperature at about -31 degrees Celsius (-24 degrees Fahrenheit) in Russia's Siberian city of Krasnoyarsk, December 10. ( Ilya Naymushin/Reuters)
16
Afghan men play football in front of the old palace in Kabul December 7, 2010. (Omar Sobhani / Reuters)