A Hindu holy man takes a dip at Sangam, the confluence of the Ganges and Yamuna rivers on the auspicious day of Basant Pachami during the month long 'Magh Mela' in Allahabad, India

A dressed-up Angolan fan watches the 3rd qualifing round match between Angola and Algeria during African Cup of Nations football championships in Luanda

Clydebank high school pupil Natalie Courtney, 17, with a model of a human body with the vital organs on show, during the launch of a new programme to teach pupils about transplants.

Prince William laughs as an Aboriginal elder wafts smoke in his face during a visit to Redfern Community Centre on the first day of his visit to Australia

A man helps a woman out of the icy waters of the Bazaikha river during Orthodox Epiphany celebrations, with air temperature at about -28 degrees Celsius, in the suburbs of the Siberian city of Krasnoyarsk

After the devastating earthquake Former U.S. President Bill Clinton helps to unload a delivery of medical supplies at the Central Hospital in Port-au-Prince, Haiti.

U.S. President Barack Obama jokes with Mable Harvey before hosting a conversation with a small group of African American seniors and their grandchildren on the legacy of the civil rights movement at the White House

Angolan boys buy bread from a woman at a street in Benguela

The Senate House at the University of Cambridge, in Cambridge city centre, is illuminated during a spectacular light show, marking the end of its 800th anniversary celebrations, which began exactly a year ago.

A man prepares to dip in the icy waters of the Ob River in Russia's Siberian city of Novosibirsk, with the air temperature at about minus 30 degrees Celsius, during an Orthodox Epiphany celebration

Smoke rises from a shopping mall after a Taliban attack in Kabul. Taliban gunmen, some wearing suicide vests, launched a commando-style assault on Kabul on Monday, attacking banks, a shopping mall and Afghan government ministries.

Prince William watches a traditional Maori greeting as he arrives to open the Supreme Court in Wellington on the second day of his visit to New Zealand

Father Juan Villa blesses a hamster outside Madrid's San Anton church. Hundreds of pet owners bring their animals to be blessed every year on the day of San Anton, Spain's patron saint of animals

People fish for trout through holes at a frozen river in Hwacheon, about 12 miles south of the demilitarized zone separating the two Koreas, northeast of Seoul

One-year-old polar bear Ikor plays with the snow at Sapporo Maruyama Zoo in Sapporo, northern Japan,

The Houses of Parliament are shrouded in early morning fog, London(Pics: Getty Images, AP and Reuters)