Knut, the world's most famous polar bear, plays with a piece of cloth in his enclosure at the Berlin Zoo, the day on which the two millionth visitor came to see him.

A Belarus special troops soldier during an examination for the Madder Beret - a symbol of courage and professionalism.

Members of the Chinese Navy in Beijing during a welcoming ceremony hosted by President Hu Jintao for the visiting president of Costa Rica.

War widow Tina Thompson and her son in front of the Poppy Appeal mascot in London. The appeal raises funds to help current and ex-military personnel and their families.

Fire engines spray water over a South Korean passenger plane during an emergency planning drill at Gimpo airport, Seoul.

Mazda Motors introduces a new concept vehicle, Taiki, during at the 40th Tokyo Motor Show.

A Romanian farmer rings a cow bell during a protest in front of the Agriculture Ministry in Bucharest. About 100 cattle farmers gathered to ask for more state help.

Women admire model camels on display at the Abu Dhabi Hunting and Equestrian Exhibition. It exhibits guns, hunting vehicles, shooting, fishing and falconry equipment.

Thai farmers ride on buffalos during a festival in Chonburi province. Buffalo racing takes place at the end of the three month Buddhist Lent.

Mascot Paule plays with children during the opening of the first of 1,000 mini football fields in Mainz, Germany.