A fan trudges through snow on his way to Lambeau Field for the Seahawks-Packers game in Green Bay, Wisconsin. | (AP Photo/Mike Roemer)

Japanese Prime Minister Shinzo Abe and Russian President Vladimir Putin watch an ancient custom judo performance in Tokyo. | (REUTERS/Toru Yamanaka/Pool)

A man dressed as Santa Claus relieves himself during SantaCon in London. | (REUTERS/Peter Nicholls)

A cold winter morning in Srinagar, India. | (REUTERS/Danish Ismail)

People flee deeper into the remaining rebel-held areas of Aleppo, Syria. | (REUTERS/Abdalrhman Ismail)

A dog walker and his pack in Saratoga Springs, New York. | (AP Photo/Hans Pennink)

Children dressed as Santa Claus participate in a parade held to collect food for the needy in Lisbon, Portugal. | (REUTERS/Rafael Marchante)

A member of forces loyal to Syrian President Bashar al-Assad walks inside the Umayyad mosque, in the government-controlled area of Aleppo, Syria. | (REUTERS/Omar Sanadiki)

Army Cadets during the Army-Navy football game in Baltimore. |(AP Photo/Patrick Semansky)

A hunter releases his tamed golden eagle during training in Kazakhstan. | (REUTERS/Shamil Zhumatov)

Actor Ryan Reynolds and his family celebrate his star on the Hollywood Walk of Fame. | (REUTERS/Mario Anzuoni)

Cable cars cross the River Thames in London. | (REUTERS/Toby Melville)

**See last week's best photojournalism**