Day in pictures: 4 September 2014

Qin Riyang (left) and Leng Yuting underwater Ahead of their wedding next year Qin Riyang (left) and Leng Yuting, both 26, pose underwater at a photo studio in Shanghai. Mr Riyang said they had their wedding photographs taken underwater because "it's romantic and beautiful".
British Prime Minister David Cameron and US President Barack Obama meet school children at Mount Pleasant Primary School British Prime Minister David Cameron and US President Barack Obama meet schoolchildren at Mount Pleasant Primary School in Newport, Wales, ahead of the Nato summit being held nearby. Nato's leaders are gathering in Wales for a summit expected to focus on Russian aggression in eastern Ukraine and continuing violence across the Middle East.
A motorist (right) practices meditates as he waits at a traffic light with other commuters in Taipei, Taiwan A man meditates as he waits at a traffic light with other commuters in Taipei, Taiwan.
Argentina's midfielder Angel Di Maria celebrates after scoring Angel Di Maria set up three goals and scored another as Argentina beat world champions Germany 4-2 in Dusseldorf during a friendly football match.
Brett Gardner of the New York Yankees Brett Gardner of the New York Yankees dives into second base during the first inning of an MLB baseball game at Yankee Stadium in New York City.
Colombian National Army soldiers oversee workers hired by the government during an operation to eradicate coca plants Colombian National Army soldiers oversee workers hired by the government during an operation to eradicate coca plants at a plantation in Yali, north-eastern Antioquia.
Pakistani milkmen ride on a horse-cart through floodwaters following heavy rain in Lahor A milkman rides a cart through floodwaters following heavy rain in Lahor, Pakistan. More than 30 people have been killed as a result of monsoon rains in the country, officials said on 4 September, as authorities warned that more intense rainfall and flash floods were likely to follow soon.
Members of the Afghan security force keep watch at the site of a suicide bomb attack Taliban militants have attacked an Afghan government compound in the eastern town of Ghazni killing at least 10 people, officials say. Gunmen detonated two truck bombs as they blasted their way in to attack police and intelligence officers.
Andy Murray reacts during his tennis match against Novak Djokovic Britain's Andy Murray reacts during his quarter final tennis match against Novak Djokovic of Serbia at the US Open in New York City. Djokovic won the match that lasted three hours and 32 minutes.
Seagulls take off as a boat passes A boat makes its way over the Steinhuder Meer lake near Hanover, Germany.

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