24 hours in pictures

Giglio, Italy: The Costa Concordia cruise ship, which ran aground off the west coast of Italy Photograph: Paul Hanna/Reuters

Anchorage, Alaska: A mallard looks for a place to land among the hundreds of ducks in sub-zero temperatures Photograph: Bill Roth/AP

Gaza City: A Palestinian rides on horseback on the beach Photograph: Mohammed Saber/EPA

Calcutta, India: Christians participate in a peace prayer Photograph: Piyal Adhikary/EPA

San Sebastián, Spain: Tamborileros leave Saint Maria Church during the main day of the San Sebastián feast Photograph: Alvaro Barrientos/AP

Delhi, India: A man bathes as he pours cold water over his head in a market on a cold winter morning Photograph: Kevin Frayer/AP

Sao Paulo, Brazil: A model presents a creation by designer R Rosner during Sao Paulo Fashion Week Photograph: Yasuyoshi Chiba/AFP

Sana'a, Yemen: A female protester's hands painted in the colors of the Yemeni flag during a protest against granting immunity from prosecution to outgoing President Saleh Photograph: Yahya Arhab/EPA

Barcelona, Spain: Artists perform during the rehearsal of the Canadian group Cirque Du Soleil's Corteo Photograph: Albert Gea/Reuters

Malabo, Equatorial Guinea: Boys practise their soccer skills as the African Cup of Nations begins Photograph: Rebecca Blackwell/AP

A view of the Helix Nebula (NGC 7293), a planetary nebula located 700 light years away Photograph: European Southern Observatory/EPA

Wijk, Netherlands: The Aztec Maiden, a Philippines-registered freighter, is seen off a beach after running aground off the Dutch coast Photograph: Robin Van Lonkhuijsen/Reuters

New York, USA: People attend the annual winter antiques show at the Park Avenue Armory Photograph: Spencer Platt/Getty

Melbourne, Australia: The sun sets at the Rod Laver Arena during the Australian Open tennis tournament Photograph: Toby Melville/Reuters