A bishop takes pictures of Pope Francis as he holds his weekly general audience, in St. Peter's Square, at the Vatican, Wednesday, Oct. 21, 2015. (AP Photo/Andrew Medichini)

Andrew Medichini/AP Photo

A bishop takes pictures of Pope Francis as he holds his weekly general audience, in St. Peter’s Square, at the Vatican

A woman from Syria covered with a blanket looks on as she waits to cross the border with Croatia near the village of Berkasovo...A woman from Syria covered with a blanket looks on as she waits to cross the border with Croatia near the village of Berkasovo, Serbia, October 21, 2015. REUTERS/Marko Djurica

Marko Djurica/Reuters

A woman from Syria looks on as she waits to cross the border with Croatia near the village of Berkasovo, Serbia

An Indian priest performs rituals during...An Indian priest performs rituals during the Hindu festival Durga Puja in Allahabad on October 20, 2015. The five-day Durga Puja festival commemorates the slaying of a demon king Mahishasur by goddess Durga, marking the triumph of good over evil. AFP PHOTO/SANJAY KANOJIASanjay Kanojia/AFP/Getty Images

Sanjay Kanojia/AFP/Getty Images

An Indian priest performs rituals during the Hindu festival Durga Puja in Allahabad, India

An artist peeps out as he waits backstage to take part in the Ramlila performance, a re-enactment of the life of Hindu Lord Rama, ahead of Dussehra in Ahmedabad...An artist peeps out from behind a curtain as he waits backstage to take part in the Ramlila performance, a re-enactment of the life of Hindu Lord Rama, ahead of Dussehra in Ahmedabad, India, October 19, 2015. Effigies of the 10-headed demon king "Ravana" are burnt on Dussehra, the Hindu festival that commemorates the triumph of Lord Rama over the Ravana, marking the victory of good over evil. Dussehra is celebrated on October 22.  Picture taken October 19, 2015. REUTERS/Amit Dave

Amit Dave/Reuters

An artist peeps out from behind a curtain as he waits backstage to take part in the Ramlila performance, a re-enactment of the life of Hindu Lord Rama, ahead of Dussehra in Ahmedabad, India

The clothes of a Palestinian student from Hebron University burn after he set himself on fire while throwing a Molotov cocktail towards Israeli soldiers and border police during clashes after the protesters blocked the main north entrance of the West Bank town of Hebron with stones and tyres on October 13, 2015. The rising tide of unrest, which has seen a series of stabbing attacks and violent protests, has raised fears that a full-scale third Palestinian uprising, or intifada, could erupt. AFP PHOTO / HAZEM BADERHAZEM BADER/AFP/Getty Images

Hazam Badera/AFP/Getty Images

A Palestinian student from Hebron University sets himself on fire while throwing a Molotov cocktail towards Israeli soldiers and border police, Hebron, Gaza

 young Indian boy dressed as Hindu God Shiva walks the banks of the River Ganges looking for alms from devotees on the first day of the nine-day Navratri festival, in Allahabad, India,Tuesday, Oct. 13, 2015.  Navaratri lasts for nine days, with three days each devoted to the worship of  the goddess of valor Durga, the goddess of wealth Lakshmi, and the goddess of knowledge Saraswati. (AP Photo/Rajesh Kumar Singh)

AP Photo/Rajesh Kumar Singh

A young Indian child dressed as the Hindu God Shiva walks the banks of the River Ganges looking for alms from devotees on the first day of the nine-day Navratri festival, in Allahabad, India

ndian voters queue to cast their ballots at a voting centre in the village of Banbira in Samstipur district on October 12, 2015. The first of five phases of voting in the state assembly elections in Bihar, one of India's largest and poorest states, begins on October 12.  AFP PHOTO / MONEY SHARMAMONEY SHARMA/AFP/Getty Images

Money Sharma/AFP/Getty Images

Indian voters queue to cast their ballots at a voting centre in the village of Banbira in Samstipur district, India

A Nepalese man waits for customers at his shop in Kathmandu, Nepal, Thursday, Oct. 1, 2015. Indian trucks carrying food and fuel began trickling into Nepal on Wednesday, a welcomed development for a nation grappling with shortages caused by a blockade during protests against the country's new constitution. Nepal has restricted the movement of vehicles due to the fuel shortages, with cars permitted to run only on alternate days. (AP Photo/Niranjan Shrestha)

AP Photo/Niranjan Shrestha

A Nepalese man waits for customers at his shop in Kathmandu, Nepal.

People wearing costumes dance at a square to celebrate the 60th anniversary of the founding of the Xinjiang Uighur Autonomous Region, in Urumqi, Xinjiang Uighur Autonomous Region, October 1, 2015. REUTERS/Stringer

Reuters

People wearing costumes dance at a square to celebrate the 60th anniversary of the founding of the Xinjiang Uighur Autonomous Region, in Urumqi, Xinjiang Uighur Autonomous Region.

TOPSHOTS Palestinians wave their nationa...TOPSHOTS Palestinians wave their national flags as they watch a live-screening of president Mahmud Abbas' speech followed by the raising of the Palestinian flag at the United Nations headquarters in New York, on September 30, 2015 in the city of Ramallah. Earlier in the week the UN General Assembly, by a two-thirds vote, adopted a resolution allowing the flags of Palestine and the Holy See -- both of which have non-member observer status -- to be hoisted alongside those of member states. AFP PHOTO / ABBAS MOMANIABBAS MOMANI/AFP/Getty Images

Abbas Momani/AFP/Getty Images

Palestinians wave their national flags as they watch a live-screening of president Mahmoud Abbas’ speech, followed by the raising of the Palestinian flag at the United Nations headquarters in New York.

A vendor carries garlands of marigold flowers at a wholesale flower market in Peshawar, Pakistan, Wednesday, Sept. 30, 2015. (AP Photo/Mohammad Sajjad)

AP Photo/Mohammad Sajjad

A vendor carries garlands of marigold flowers at a wholesale flower market in Peshawar, Pakistan.

A woman with a pram walks past a street art installation in Astana, Kazakhstan...A woman with a pram walks past a street art installation in Astana, Kazakhstan, September 30, 2015.  REUTERS/Shamil ZhumatovF

Reuters/Shamil Zhumatov

A woman with a pram walks past a street art installation in Astana, Kazakhstan.

Soldiers from the South Korean army special forces demonstrate their martial arts skills during a rehearsal for the 67th anniversary of Armed Forces Day at the Gyeryong military headquarters in Gyeryong , South Korea, Wednesday, Sept. 30, 2015. South Korea will celebrate the 67th Armed Forces Day on Oct. 1. (AP Photo/Ahn Young-joon)

AP Photo/Ahn Young-joon

Soldiers from the South Korean army special forces demonstrate their martial arts skills, during a rehearsal for the 67th anniversary of Armed Forces Day at the Gyeryong military headquarters in Gyeryong , South Korea.

Villagers place persimmons in the shape of a Chinese national flag, ahead of China's upcoming National Day, in Shangrao, Jiangxi province, September 29, 2015. October 1 is China's National Day. This year, it marks the 66th anniversary of the founding of the People's Republic of China. Picture taken September 29, 2015. REUTERS/Stringer

Reuters

Villagers place persimmons in the shape of a Chinese national flag, ahead of China’s upcoming National Day, in Shangrao, Jiangxi province.

Visitors walk under umbrellas on display over Cheonggye stream during a campaign to raise donations to help underprivileged children in Seoul, South Korea, Tuesday, Sept. 29, 2015. (AP Photo/Ahn Young-joon)

Ahn Young-Joon/AP

Visitors walk under umbrellas on display over Cheonggye stream in Seoul, during a campaign to raise donations to help underprivileged children.

An Indonesian mother tends to her daught...An Indonesian mother tends to her daughter as a preacher speaks during the Eid Al-Adha festival at the Al-Azhar mosque in Jakarta on September 24, 2015. Muslims across the world celebrate the annual festival of Eid al-Adha, or the Festival of Sacrifice, which marks the end of the Hajj pilgrimage to Mecca and in commemoration of Prophet Abraham's readiness to sacrifice his son to show obedience to God.  AFP PHOTO / ADEK BERRYADEK BERRY/AFP/Getty Images

Adek Berry/AFP/Getty Images

An Indonesian mother tends to her daughter during the Eid Al-Adha festival at the Al-Azhar mosque in Jakarta. Muslims across the world celebrate the annual festival of Eid al-Adha, or the Festival of Sacrifice, which marks the end of the Hajj pilgrimage to Mecca.

An Indonesian mother tends to her daught...An Indonesian mother tends to her daughter as a preacher speaks during the Eid Al-Adha festival at the Al-Azhar mosque in Jakarta on September 24, 2015. Muslims across the world celebrate the annual festival of Eid al-Adha, or the Festival of Sacrifice, which marks the end of the Hajj pilgrimage to Mecca and in commemoration of Prophet Abraham's readiness to sacrifice his son to show obedience to God.  AFP PHOTO / ADEK BERRYADEK BERRY/AFP/Getty Images

Hoang Dinh Nam/AFP/Getty Images

A vendor carrying a large bunch of star-shaped lanterns meant for sale at the local traditional mid-autumn festival toy market, downtown Hanoi.

A woman views Banksy's 'Donkey Documents', an intact four ton mural from Jerusalem, in the Design Centre in Chelsea, London. PRESS ASSOCIATION Photo. Picture date: Monday September 21, 2015. Banksy created the work in 2007, as part of a series along the concrete barrier separating the Palestinian West Bank and Israel. The mural is estimated to sell for $600,000 at the forthcoming Julien's Fine Art Auction in Beverly Hills on 30 September. Photo credit should read: Anthony Devlin/PA Wire

Anthony Devlin/PA

A woman views Banksy’s ‘Donkey Documents’, a four ton mural from Jerusalem, in the Design Centre in Chelsea, London. The mural is estimated to sell for $600,000 at the forthcoming Julien’s Fine Art Auction in Beverly Hills

Members of teh Bolivarian Militia take p...Members of teh Bolivarian Militia take part in its fifth anniversary in Caracas on April 13, 2015. AFP PHOTO/FEDERICO PARRAFEDERICO PARRA/AFP/Getty Images

Federico Parra/AFP/Getty Images

Members of the Bolivarian Militia take part in its fifth anniversary in Caracas, Venezuela

A man takes a photograph of a cherry tree in blossom in Tokyo, Japan, on Tuesday, March 31, 2015. Japan's emergence from recession was weaker than first estimated as companies unexpectedly cut investment and drew down their inventories, offsetting a pickup in consumer spending. Photographer: Tomohiro Ohsumi/Bloomberg

Tomohiro Ohsumi/Bloomberg

A man takes a photograph of a cherry tree in blossom, in Tokyo, Japan