A boy leans on a sack of cabbages at a vegetable market in Jinan, China. | (REUTERS/Stringer)

The sun reflects off Earth's water in this picture taken by German astronaut Alexander Gerst from the International Space Station. | (REUTERS/Alexander Gerst/NASA/Handout via Reuters)

A cross stands behind the site of the Malaysia Airlines Flight 17 plane crash, near Grabovo, in eastern Ukraine. | (REUTERS/Maxim Zmeyev)

A pair of young surfers wait for their friends to finish a post-sunset session off Wanda Beach in Sydney, Australia. | (REUTERS/Jason Reed)

Queen Elizabeth poses with construction workers as she attends the official opening of the refurbished Reading Station, west of London. | (REUTERS/POOL/Ben Gurr)

An Indian policeman keeps vigil in a residential building next to the Martyrs' Graveyard in Srinagar, on Martyrs' Day, which commemorates those who fought against Kashmir's maharaja. | (REUTERS/Danish Ismail)

White lion cubs peek out from their enclosure during an event introducing them to the public at Siegfried & Roy's Secret Garden and Dolphin Habitat, in Las Vegas. | (AP Photo/John Locher)

A driver naps on his yellow Ambassador taxi in Kolkata, India. | (REUTERS/Rupak De Chowdhuri)

American John Daly practices on the putting green ahead of the British Open in Hoylake. | (REUTERS/Stefan Wermuth)

People observe a minute of silence during a protest against Israel's military action in Gaza, at La Constitucion square in Malaga, Spain. | (REUTERS/Jon Nazca)

The Supermoon rises over houses in Olvera, Spain. | (REUTERS/Jon Nazca)

A decidedly disappointed Argentine fan stands between policemen as they welcome the country's soccer team back following their loss to Germany in the 2014 World Cup final. | (REUTERS/Ivan Alvarado)

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