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A girl drags her goat heading back home through a main road empty of traffic and full of children playing, after being blocked by the Pakistani police with shipping containers, on the outskirts of Islamabad, Pakistan, Thursday, Aug. 14, 2014. Roads leading to the Capital are being blocked in run up to announced protests by cricketer-turned-politician Imran Khan and anti-government cleric Tahir-ul-Qadri. Both men want the government to step down and new elections to be held. (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

A girl and her goat head home down an empty main road full of children playing. The police blocked the road, on the outskirts of Islamabad, Pakistan, with shipping containers

People shield themselves from the rain with umbrellas as they cross an intersection in Hong Kong.

  © Dale de la Rey/AFP/Getty Images

People shield themselves from the rain with umbrellas as they cross an intersection in Hong Kong.

College students with painted faces pose as they take part in India's Independence Day celebrations in the southern Indian city of Chennai.

Babu/Reuters

College students with painted faces pose as they take part in India’s Independence Day celebrations in the southern Indian city of Chennai.

A US soldier, part of the NATO-led International Security Assistance Force (ISAF), manning a machine gun onboard a Chinook helicopter over the Gardez district of Paktia province, Afghaniustan.

Marai Shah/AFP/Getty Images

A US soldier, part of the Nato-led International Security Assistance Force, mans a machine gun on board a Chinook helicopter over the Gardez district of Paktia province, Afghanistan

a general view of apartment buildings destroyed by Israeli bombing in the Gaza Strip,

EPA

Apartment buildings destroyed by Israeli bombing in the Gaza Strip.

A aeroplane pases over the sky during the time of the Perseid meteor shower at a windmill farm near Bogdanci

Ognen Teofilovski/Reuters

An aircraft passes over a windmill farm near Bogdanci, south of Skopje in Macedonia, during the Perseid meteor shower early on Wednesday morning.

Iraqi Kurdish Peshmerga fighters take position

Ahmad AL-Rubaye/AFP/Getty Images

Iraqi Kurdish Peshmerga fighters take position as they monitor the area from their front line position in Bashiqa, a town 13 kilometres north-east of Mosul on Tuesday

A person walks on a rope as a tightrope

Nicolas Maeterlinck/AFP/Getty Images

A tightrope walker crosses between the spheres of the atomium in Brussels

A fisherman gets ready to cast

AFP/Getty Images

A fisherman gets ready to cast his line near the body of a dead humpback whale washed ashore on Macumba beach in Rio de Janeiro, Brazil,.

Aircrew aboard an RAF Hercules prepare to deliver humanitarian aid to Yazidi refugees in the Sinjar mountains in Northern Iraq.

Cpl Neil Bryden RAF/MoD Crown Copyright/PA Wire

Aircrew aboard an RAF Hercules prepare to deliver humanitarian aid to Yazidi refugees in the Sinjar mountains in Northern Iraq.