Polo players battle for the ball during a match on a frozen lake at the Cartier Polo World Cup on Snow in St Moritz, Switzerland.
African migrants wait to be dealt with after reaching Tenerife, one of Spain's Canary Islands, in an attempt to gain access to Europe.
The Duchess of Cornwall - the wife of Britain's Prince Charles - meets children taking part in a performance at St Albans Cathedral in Hertfordshire.
A soldier covers his face during an official state ceremony in memory of Slovak soldiers who died in a plane crash in eastern Slovakia last week.
A tall ship passes in front of the Sydney Opera House during Australia Day celebrations.
Bugti tribal militiamen gather in Dera Bugti in the Pakistani province of Balochistan.
A shop assistant in Hong Kong holds a solid gold dog, created as an expensive gift to mark the Chinese New Year and advent of the Year of the Dog.
Indian soldiers march during a military parade in New Delhi to mark the country's 57th Republic Day.
A spectator stands in front of a picture featuring US President George Bush during the Peace Art Project exhibition in Seoul, South Korea.