24 hours in pictures

São Paulo, Brazil: A woman outside her house next to the word 'beautiful' in an alley in the Brasilândia favela Photograph: Nacho Doce/Reuters

New Delhi, India: A roadside watchmaker makes some repairs Photograph: Tsering Topgyal/AP

Mexico City, Mexico: A dog takes part in the 'America celebrates Chespirito' tribute. Chespirito is Roberto Gómez Bolaños, a Mexican actor and writer, and the dog is dressed as 'El Chapulín Colorado', one of the characters he played Photograph: Edgard Garrido/Reuters

Georgia, US: Children from Peachtree academy wait for the Republican presidential candidate Newt Gingrich to arrive in Covington Photograph: Evan Vucci/AP

Terhan, Iran: Women walk past torn electoral posters Photograph: Morteza Nikoubazl/Reuters

Athens, Greece: A woman passes in front of riot police blocking the street next to the Greek parliament Photograph: Dimitri Messinis/AP

Dakar, Senegal: Boys and girls jump on trampolines at sunset Photograph: Nic Bothma/EPA

Barcelona, Spain: Riot police clash with students protesting against education cuts Photograph: David Ramos/Getty Images

Sana'a, Yemen: A soldier stands guard in front of incinerators where bags of illicit drugs are being incinerated Photograph: Yahya Arhab/EPA

Idlib, Syria: Free Syrian Army supporters chant anti-government slogans under snowfall Photograph: Rodrigo Abd/AP

Rangoon, Burma: Labourers transfer fish from boats to the central fish market at the port Photograph: AFP/Getty Images

Seoul, South Korea: Small screens show President Lee Myung-bak as participants listen to his speech Photograph: Ahn Young-joon/AP

Massachusetts, US: Lady Gaga looks out from the window of her vehicle at Harvard University, Cambridge, where she will launch her Born This Way Foundation Photograph: Brian Snyder/Reuters

Rhenen, The Netherlands: Polar bear twins, born in the Dutch Zoo Ouwehands Dierenpark, are fed by their mother, Huggies Photograph: Erik Van't Woud/AFP/Getty Images

The Diablerets, Switzerland: Rescuers search for people under an avalanche at Col de la Croix Photograph: Jean-Christophe Bott/EPA