Pakistani child, Harris Khan, 4, wearing a millitary uniform and holding a toy gun, poses for a picture while he and other Pakistanis celebrate the 68th Independence Day, in Islamabad, Pakistan, Thursday, Aug. 14, 2014. (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

Pakistani child, Harris Khan, 4, wearing a military uniform and holding a toy gun, poses for a picture while he and other Pakistanis celebrate the 68th Independence Day, in Islamabad, Pakistan.

Pope Francis arrives to attend a welcomi...Pope Francis arrives to attend a welcoming ceremony at the presidential Blue House in Seoul on August 14, 2014. Pope Francis arrived in Seoul looking to fuel a new era of Catholic growth in Asia -- a mission fraught with complex political challenges but huge potential rewards. AFP PHOTO / POOL / Kim Hong-JiKim Hong-Ji/AFP/Getty Images

Kim Hong-Ji/AFP

Pope Francis attends a welcoming ceremony at the presidential Blue House in Seoul, South Korea

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

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.

 An injured man reacts at a damaged site hit by what activists said were two barrel bombs thrown by forces loyal to Syria's President Bashar al-Assad in the Qadi Askar district of Aleppo August 10, 2014. REUTERS/Rami Zayat

Rami Zayat/Reuters

An injured man reacts at a damaged site hit by what activists said were two barrel bombs thrown by forces loyal to Syria’s President Bashar al-Assad in the Qadi Askar district of Aleppo. Syria.

The 70th Anniversary Of The D-Day Landings Are Commemorated In Normandy...RANVILLE, FRANCE - JUNE 05:  Soldiers travelling on a vintage jeep cross Pegasus Bridge (also known as the BÈnouville Bridge) during D-Day Commemorations on June 5, 2014 in Ranville, France. Friday 6th June is the 70th anniversary of the D-Day landings which saw 156,000 troops from the allied countries including the United Kingdom and the United States join forces to launch an audacious attack on the beaches of Normandy,  these assaults are credited with the eventual defeat of Nazi Germany. A series of events commemorating the 70th anniversary are planned for the week with many heads of state travelling to the famous beaches to pay their respects to those who lost their lives.  (Photo by Chris Jackson/Getty Images)

Chris Jackson/Getty Images

Soldiers in a vintage jeep cross Pegasus bridge (also known as the Bénouville bridge) in Normandy, France, on the 70th anniversary of the D-Day landings

Fire crew tackle a major blaze at the Glasgow School of Art, in Glasgow, Britain 23 May 2014. The school stated that everyone in the building escaped to safety and there have been no reports of any casualties.  EPA/Robert Perry

Robert Perry/EPA

Fire crew tackle a major blaze at the Glasgow School of Art, in Glasgow today. The school stated that everyone in the building escaped to safety and there have been no reports of any casualties.

n Indian Sikh devotee takes a dip in the sarover (water tank) at the Sikh Shrine Golden temple in Amritsar on May 23, 2014, on the occasion of the 535th birth anniversary of Guru Amardas, the third master of the Sikhs. Guru Amardas lived from May 5, 1479 to September 1, 1574 and was the third of the 10 Gurus of Sikhism and was given the title of Sikh Guru on March 26, 1552.  AFP PHOTO/NARINDER NANUNARINDER NANU/AFP/Getty Images

Narinder Nanu/AFP

An Indian Sikh devotee takes a dip in the sarover (water tank) at the Sikh Shrine Golden temple in Amritsar today, on the occasion of the 535th birth anniversary of Guru Amardas, the third master of the Sikhs.

World's Most Complete Mammoth On Display At The Natural History Museum...LONDON, ENGLAND - MAY 19:  (EDITORS NOTE:  IMAGES EMBARGOED FOR USE UNTIL 00:01 BST ON TUESDAY MAY 20, 2014) Lyuba, the world's most complete mammoth, is examined by research leader Adrian Lister upon arriving at Natural History Museum on May 19, 2014 in London, England.  The baby mammoth, measuring 85 centimetres tall and 130 centimetres long, was discovered in Siberia, Russia in May 2007 by reindeer herder Yuri Khudi and his sons whilst searching for wood along the Yuribei River some 42,000 years after the one month old mammoth died.  Lyuba, named after Yuri's wife and meaning love in Russia, is on public display at the Natural History Museum from 23 May until 7 September 2014.  (Photo by Rob Stothard/Getty Images)

Rob Stothard/Getty Images

The world’s most complete mammoth, Lyuba, on display at The Natural History Museum, London. The baby mammoth, 85cm tall and 130cm long, was discovered in Siberia by reindeer herder Yuri Khudi along the Yuribei River, some 42,000 years after the one-month-old creature died. It is on display at the museum from Friday until September 7.

Artist Julian Opie Exhibition Opens In Bath...BATH, ENGLAND - MAY 15:  Art technicians Rachel Falber and Sam Roberts from Art Works position two three-dimensional sculptures, 'Reed 1' and 'Delphine 2' by the artist Julian Opie onto plinths inside the Holburne Museum on May 15, 2014 in Bath, England. Considered to be one of the UK's most important and successful contemporary artists, the exhibition, 'Julian Opie: Collected Works', opens next Wednesday and runs until September 14. It will be the artists first one person exhibition for over ten years and will bring together his own works, including several previously unseen works, with pieces from his private collection.  (Photo by Matt Cardy/Getty Images)

Matt Cardy/Getty Images

Two three-dimensional sculptures, ‘Reed 1′ and ‘Delphine 2′ by the artist Julian Opie are placed onto plinths inside the Holburne Museum today. The exhibition, ‘Julian Opie: Collected Works’, opens next Wednesday and runs until September 14.