24 hours in pictures

Buenos Aires, Argentina: A child looks through the window of a wooden carriage car on the historic subway system, Line A. The city government has announced that the almost 100-year-old wooden carriages will be replaced by modern units Photograph: Natacha Pisarenko/AP

Delhi, India: a homeless man reads a newspaper on a cold winter morning Photograph: Ahmad Masood/Reuters

Netanya, Israel: ultra-Orthodox Jews gather in the men's section for a traditional Jewish wedding of the great-grandson of the rabbi of the Sanz Hasidic dynasty Photograph: Oded Balilty/AP

Pretschen, Germany: a gardener harvests lamb's lettuce with a cat on her back Photograph: Patrick Pleul/AFP/Getty Images

Tehran, Iran: Iranian mourners beat their chests in a ceremony commemorating Arbaeen, the final day of the annual 40-day mourning period for the martyrdom of Imam Hussein, the grandson of Muhammad Photograph: Vahid Salemi/AP

Herat, Afghanistan: an Afghan man at a refugee camp Photograph: Aref Karimi/AFP/Getty Images

Zahara de los Atunes, Spain: women buy clothes at street stalls Photograph: Emilio Morenatti/AP

New York, US: the remains of the boardwalk lie along the beach in the Rockaways, damaged by superstorm Sandy Photograph: Spencer Platt/Getty Images

Beijing, China: a young Chinese girl rides a battery-powered cart pulled by a puppet at the frozen Houhai lake Photograph: Mark Ralston/AFP/Getty Images

Chicago, US: an angel and a cigarette form a memorial created in an alley near where Octavius Dontrell Lamb was shot, the first murder victim in Chicago this year. Fifteen people were shot in Chicago on the first day of the year, three fatally Photograph: Scott Olson/Getty Images

Bethlehem, West Bank: Orthodox Christian clergy sweep the double column area in the main nave in the Church of the Nativity, at the place where, it is traditionally accepted, Jesus Christ was born Photograph: Oliver Weiken/EPA

Melbourne, Australia: Jershon Witehira jumps into the sea from a pier at St Kilda beach with temperatures expected to soar to above 40 degrees for several consecutive days Photograph: Scott Barbour/Getty Images

Newtown, Connecticut: men install 26 stars on the roof of the Sandy Hook fire station, to honour the memory of the victims of the Sandy Hook school shooting Photograph: Brett Coomer/AP