A gold prospector is detained by Brazil’s environmental police during an operation against illegal gold mining on indigenous land.Bruno Kelly/Reuters
Copacabana Beach, host location for Brazil's Olympic beach volleyball, marathon swimming, road cycling and triathlon.Ricardo Moraes/Reuters
Syrians help a wounded youth after an air strike on a rebel neighbourhood of Aleppo.Ameer Alhabi/AFP / Getty Images
A trespasser visits an abandoned amusement park in Pripyat, Ukraine inside the exclusion zone around the damaged Chernobyl reactor.Bryan Denton/The New York Times
A Tibetan woman gets emotional as the Dalai Lama greets her near Dharmsala, India.Ashwini Bhatia/The Associated Press
An Afghan labourer works in a chalk factory on the outskirts of Mazar-i-Sharif.Farshad Usyan/AFP / Getty Images
British astronaut Tim Peake runs a marathon while strapped to a treadmill aboard the International Space Station (ISS).ESA/Reuters
Photo shows a test fire of a North Korean submarine- launched ballistic missile.KCNA/Reuters
A Palestinian man touches the Nelson Mandela statue during its inauguration in Ramallah.Mohamad Torokman/Reuters
Russian President Vladimir Putin is saluted at the Kremlin in Moscow.Maxim Shemevov/The Associated Press