The week in 25 photos – Tourists take a selfie as demonstrators burn a trash container during a May Day rally in Barcelona, Spain, on Thursday, May 1. May Day is also known as International Workers' Day, and tens of thousands of workers in European cities marked the occasion with a mix of anger and gloom over austerity measures meant to contain the eurozone debt crisis.
The week in 25 photos – Russian President Vladimir Putin attends a wreath-laying ceremony at the Tomb of the Unknown Soldier in Moscow on Thursday, May 8. Russia celebrates Victory Day on May 9, which is when Nazi Germany surrendered to the Soviet Union during World War II.
The week in 25 photos – A common myna feeds her baby in a nest on a hot afternoon in Bhubaneswar, India, on Sunday, May 4. The common myna is native to Asia, and it is an important motif in Indian culture.
The week in 25 photos – Extreme ultraviolet light streams out of an X-class solar flare in this image captured by NASA's Solar Dynamics Observatory. The image, captured in March and released Wednesday, May 7, blends two wavelengths of light to help scientists observe the lower levels of the sun's atmosphere.
The week in 25 photos – A tornado touches down in a field in Akron, Colorado, on Wednesday, May 7. The National Weather Service said there were no reports of injuries or damage after at least two tornadoes briefly touched down on Colorado's Eastern Plains.
The week in 25 photos – Archbishop Desmond Tutu receives his ballot papers before voting in South Africa's election Wednesday, May 7, in Cape Town. It is the country's first election since Nelson Mandela's death and the fifth since the end of apartheid in 1994.