Athens, Greece: A protester wearing a gas mask shelters behind a vending machine during clashes with riot policemen
Karad, India: Girls carry bricks to be baked in a kiln at a brickyard
Rio de Janeiro, Brazil: Dogs in fancy dress take part in the animal carnival parade at Copacabana beach
Los Angeles, USA: Lady Gaga stands in the audience during the 54th annual Grammy awards
Jacmel, Haiti: A reveller paints his face before joining the parade during carnival celebrations
San Sebastián, Spain: A duck walks across a frozen pond in a park
Sattahip, Thailand: A US marine drinks cobra blood offered by a Thai navy instructor during a jungle survival training course
New York, USA: A model has dye rinsed out of his hair into a bin backstage during New York fashion week
Cairo, Egypt: A woman plays with her son inside an anti-Syrian regime protest tent in Tahrir Square
Athens, Greece: Riot police try to extinguish flames from a petrol bomb thrown by protesters outside the Greek parliament
Munich, Germany: People enjoy the winter sun on a frozen lake in the Olympic park
St Moritz, Switzerland: First placed Fadri Casty,
pulled by Bergonzi, competes in the Skijoring Grand Prix Credit Suisse
race on the frozen lake
Paris, France: Marine Le Pen, president of French
far-right party Front National (FN), holds a press conference in front
of the French Economic, Social and Environmental Council