24 hours in pictures

Buenos Aires, Argentina: Government supporters celebrate outside congress after a bill was passed to enable the expropriation of the Spanish company Repsol's $10.5bn stake in the YPF oil company Photograph: Natacha Pisarenko/AP

Pau Brasil reserve, Brazil: A member of the Pataxo tribe has a celebratory smoke after the supreme court acknowledged the rights of indigenous people to land in the Caramuru-Catarina Paraguassu reserve, in southern Bahia, after a long trial that began four years ago Photograph: Lunae Parracho/Reuters

New York, US: Dancers perform during open auditions for the Radio City Rockettes dance company's 2012 Radio City Christmas Spectacular Photograph: Justin Lane/EPA

Colombo, Sri Lanka: A monk meditates as children participate in rituals on the eve of the festival of Vesakha which encompasses the birth, enlightenment and death of Buddha Photograph: Gemunu Amarasinghe/AP

San Antonio, US: A woman prays during a National Day of Prayer in Texas Photograph: Eric Gay/AP

Athens, Greece: Members of the New Democracy party hold flares before Greece's conservative leader Antonis Samaras' speech at the Zappeio conference Photograph: Thanassis Stavrakis/AP

Nuremberg, Germany: A man walks on a giant jigsaw of Albrecht Durer's Self-portrait in fur coat Photograph: Timm Schamberger/AP

Beijing, China: A protester is removed by police from outside the Chaoyang Hospital where activist Chen Guangcheng is staying Photograph: Ed Jones/AFP/Getty Images

Manila, Philippines: Activists attempt to get inside to attend the opening ceremony of the 45th annual board of governors' meeting of the Asian Development Bank Photograph: Bullit Marquez/AP

Shanghai, China: A model has her hair styled on stage at the 17th China Beauty Expo Photograph: Peter Parks/AFP/Getty Images

Moscow, Russia: Soldiers march during preparations for the Red Square May Day parade Photograph: Yuri Kochetkov/EPA

Bahia, Brazil: Residents drive over the dried Rio de Contas, the country's northeastern region faces its worst drought in the last 30 years Photograph: Ricardo Moraes/Reuters

Panama City, Panama: A boy hits a punch bag at the Rockero Alcazar gym Photograph: Carlos Jasso/Reuters

Magelang, Indonesia: Buddhist monks pray before receiving Vesak alms at the Borobudur temple Photograph: Ulet Ifansasti/Getty Images

Beijing, China: Police stand guard as tourists watch the flag lowering ceremony on Tiananmen Square Photograph: Feng Li/Getty Images

Friedberg, Germany: Alpacas stand in a field Photograph: Emily Wabitsch/AFP/Getty Images