24 hours in pictures

Washington: Guests at the Biden Home States Ball record the moment as President Barack Obama dances with his wife, Michelle Photograph: J Scott Applewhite/AP

Frankfurt, Germany: An environmental activist at a camp set up in protest over the clearing of a huge wooded area for a new airport runway Photograph: Kai Pfaffenbach/Reuters

Jabaliya, Gaza Strip: A woman sits outside a ruined building Photograph: Spencer Platt/Getty Images

Nyang'oma Kogelo, Kenya: Villagers watch the inauguration of the US president, Barack Obama, on a giant screen Photograph: Tony Karumba/AFP/Getty Images

Sao Paulo, Brazil: Models wear creations by Huis Clos during fashion week Photograph: Andre Penner/AP

New York, US: Traders on the floor of the stock exchange Photograph: Richard Drew/AP

Caracas, Venezuela: Riot police during a protest against constitutional reform Photograph: Reuters

New Delhi, India: Delhi Metro Rail Corporation workers watch the breakthrough of a tunnel-boring machine Photograph: Manish Swarup/AP

Besancon, France: A Madagascar lemur named Tahina, which was born on 27 December. There are only 17 Propithecus coronatus living in captivity worldwide Photograph: Jeff Pachoud/AFP/Getty Images

Beijing, China: A performer rehearses his steps for an imperial rites ceremony to be staged for tourists during the coming Chinese lunar new year Photograph: China Photos/Getty Images

Tokyo, Japan: A woman feeds cats at Nekorobi cat cafe. Cafes where people can spend time with their favourite pet for about $10 (£7.20) an hour are increasingly popular in urban areas Photograph: Junko Kimura/Getty Images

Porto, Portugal: A wave crashes into a lighthouse during a storm in Foz do Douro Photograph: Estela Silva/EPA

Raskatikha, Russia: Residents ride a horse-drawn sleigh to carry food and supplies. The village has no school, no shops and no hospital Photograph: Yury Yuriev/AFP/Getty Images

Goma, Democratic Republic of the Congo: Government soldiers stand at a checkpoint Photograph: Lionel Healing/AFP/Getty Images

Kuala Lumpur, Malaysia: The shadow of a frog on a banana leaf Photograph: Zainal Abd Halim/Reuters