24 hours in pictures

Jerusalem: Visitors stand outside the Yad Vashem Holocaust memorial museum on Holocaust Martyrs and Heroes Remembrance Day Photograph: Abir Sultan/EPA

Tchyllah, Chad: Boys sit on the sand in a desert village in the Sahel. The region has been hit by a food crisis Photograph: Ben Curtis/AP

Beelitz, Germany: Seasonal labourers harvest asparagus Photograph: Patrick Pleul/AFP/Getty Images

Cenon, France: Supporters of Francois Hollande attend the Socialist candidate's last campaign rally before the first round of the presidential elections Photograph: Christophe Ena/AP

Chantilly, Virginia: The space shuttles Enterprise, left, and Discovery meet nose to nose at the Smithsonian's Steven F Udvar-Hazy Centre Photograph: Bill Ingalls/AP

Manila, Philippines: Firefighters extinguish a blaze in a slum area Photograph: Noel Celis/AFP/Getty Images

Kabul, Afghanistan: A man cycles along a rainy street at dusk Photograph: Bay Ismoyo/AFP/Getty Images

Berlin, Germany: A visitor stands in front of a light sculpture by the British artist Anthony McCall at the Hamburger Bahnhof Museum for Contemporary Art Photograph: Stephanie Pilick/EPA

Philadelphia, Pennsylvania: A skateboarder at Franklin Delano Roosevelt park Photograph: Matt Slocum/AP

Imadol, Nepal: A woman at work in a brick factory Photograph: Niranjan Shrestha/AP

Ockstadt-Friedberg, Germany: Cherry trees in an orchard Photograph: Emily Wabitsch/AFP/Getty Images

Pyongyang, North Korea: A guide gives a lecture in front of a diorama depicting the 1950 Battle of Taejon, during a tour of the War Museum Photograph: Ng Han Guan/AP

Sofia, Bulgaria: Children wearing national costumes chant the name of Stiliyan Petrov during an event in support of the footballer, who was recently diagnosed with acute leukemia Photograph: Valentina Petrova/AP

New York: Passengers on the Titanic memorial cruise pass the Statue of Liberty Photograph: Lefteris Pitarakis/AP