Underground trains are parked during a 24-hour strike by train drivers over public holiday pay, at Mordern depot, south London, Britain. (AP)

A supporter of veteran Indian social activist Anna Hazare waves a national flag amid fumes emitted from fumigation work carried out by a health worker, at Bandra-Kurla Complex grounds in Mumbai. (Reuters)

A man crosses the Rio Branco Avenue with an umbrella to protect from the rain of a cold front that arrived to Rio de Janeiro, Brazil. (AFP)

A girl and her horse make their way to church to be blessed by priests on St. Stephens Day in Srednja Vas, Slovenia. (Reuters)

The hulls of competing boats are below the swell during the start of the Sydney-Hobart yacht race in Sydney, Australia. (AP)

An employee pulls a dog sled carrying tourists in front of a snow sculpture ahead of the 13th Harbin Ice and Snow World in Harbin, Heilongjiang province, China. The festival will be officially launched on January 5, 2012. (Reuters)

Liverpool's Martin Skrtel (top) challenges Blackburn Rovers' Yakubu during their English Premier League soccer match at Anfield in Liverpool, northern England. (Reuters)

US President Barack Obama tries to evade the wandering fingers of 8-month-old Cooper Wall Wagner as he poses for a picture with his parents, Captain Greg Wagner and Meredith Wagner as Obama met US Marines and their families having lunch at Kaneohe Bay Marine Corps base in Hawaii, December 25, 2011. (Reuters)

Cars drive on a street which is illuminated for New Year's Eve in Tbilisi, Georgia, December 25, 2011. (Reuters)

A member of white garment Christian sect prays by a cross at the bar beach, where they live and worship in makeshift tents, in Lagos, Nigeria, December 25, 2011. (Reuters)

People visit a Christmas tree in the Plateau district of Abidjan during Christmas celebrations, December 25, 2011. (AFP)

Fireworks light up the sky above a 326 meter Christmas 'tree' , which was constructed onto a TV tower, during a lighting up ceremony in Vilnius, Lithuania, December 25, 2011. (AP)