7 May 2014
Last updated at 14:36
Argentine President Cristina Fernandez de Kirchner (centre) poses for a selfie with workers of Facebook Argentina during the inauguration of its headquarters, in Buenos Aires.
People party following the first semi-final of the Eurovision Song Contest in Copenhagen, Denmark. The final of the competition will be held in the Danish capital on 10 May.
Britain's Chancellor George Osborne speaks at the Science Museum in London to mark the launch of a campaign to get more young people to study science, technology, engineering and maths and take up careers in these industries.
A Russian Orthodox priest blesses female prisoners at a detention facility in St Petersburg.
Women dressed as Vietcong soldiers parade during celebrations of the 60th anniversary of Vietnam's victory over France at the battle of Dien Bien Phu.
Villagers displaced by a landslide last week are seen in a temporary camp near Ab-Barik, a village in the Argo District of Afghanistan. Badakhshan provincial governor Shah Waliullah Adib told the BBC on Sunday there was now no hope for more than 2,000 people believed buried in their homes.
South Africans are voting in general elections as the country marks 20 years since the end of white-minority rule. The African National Congress (ANC) is tipped to win, returning President Jacob Zuma for a second five-year term.
Chinese trishaw drivers take nap while waiting for customers near the Drum Tower, a tourist spot in Beijing, China.
Zoo staff stand around Mango, a 19-year-old Syrian brown bear, during preparations for his surgery at the Ramat Gan Safari near Tel Aviv in Israel. Mango suffers from a slipped disk, impairing his mobility and causing pain and will on Wednesday undergo surgery on his spine in the hope of improving his quality of life.