Palestinian protesters carry a wounded comrade during clashes with Israeli security forces along the border fence with Israel on the eastern outskirts of Gaza City, on September 30, 2016

Mohammed Abed/AFP

Palestinian protesters carry a wounded comrade during clashes with Israeli security forces along the border fence with Israel on the eastern outskirts of Gaza City. Photo Mohammed Abed/AFP

Bishops attend the visit of Pope Francis to the Chaldean Catholic Church of St. Simon Bar Sabbae in Tbilisi, Georgia, September 30, 2016. REUTERS/Alessandro Bianchi

Alessandro Bianchi/Reuters

Bishops attend the visit of Pope Francis to the Chaldean Catholic Church of St. Simon Bar Sabbae in Tbilisi, Georgia. Photo Alessandro Bianchi/Reuters

In this handout photo provided by the Israel Government Press Office (GPO), U.S President Barack Obama and Shimon Peres' daughter Tsvia Walden attend the funeral ceremony held for the former Israeli leader Shimon Peres at Mount Herzl on September 30, 2016 in Jerusalem, Israel.  World leaders and dignitaries from 70 countries attended the state funeral of Israel's ninth president, Shimon Peres, in Jerusalem on Friday, after thousands of Israelis paid their last respects to the elder statesman who died on Wednesday.  (Photo by Amos Ben Gershom/GPO via Getty Images)

Amos Ben Gershom/GPO/Getty

President Barack Obama and Shimon Peres’ daughter Tsvia Walden attend the funeral ceremony held for the former Israeli leader Shimon Peres at Mount Herzl on September 30, 2016 in Jerusalem, Israel. World leaders and dignitaries from 70 countries attended the state funeral of Israel’s ninth president, Shimon Peres, in Jerusalem on Friday, after thousands of Israelis paid their last respects to the elder statesman who died on Wednesday. Photo Ben Gershom/Getty Images/GPO 

Children play with water from a burst water pipe at a site hit yesterday by an air strike in Aleppo's rebel-controlled al-Mashad neighbourhood, Syria, September 30, 2016

Abdalrhman Ismail/Reuters

Children play with water from a burst water pipe at a site hit yesterday by an air strike in Aleppo’s rebel-controlled al-Mashad neighbourhood, Syria. Photo Abdalrhman Ismail/Reuters 

This Sept. 20, 2016 photo shows a child's room decorated with handprints inside an abandoned home in the neighborhood El Cambray in Santa Catarina Pinula on the outskirts of Guatemala City, one year after a mudslide destroyed the neighborhood.  The mandatory evacuation order was ignored by a half-dozen residents who apparently cannot afford to live anywhere else, and for the survivors, the psychological scares have not faded. (AP Photo/Moises Castillo)

Moises Castillo/AP

An abandoned home in the neighbourhood El Cambray in Santa Catarina Pinula on the outskirts of Guatemala City, one year after a mudslide destroyed the neighbourhood. The mandatory evacuation order was ignored by a half-dozen residents who apparently cannot afford to live anywhere else. Photo Moises Castillo/AP 

Models wear creations for Chalayan's Spring-Summer 2017 ready-to-wear fashion collection presented Friday, Sept. 30, 2016 in Paris. (AP Photo/Zacharie Scheurer)

Zacharie Scheurer/AP

Models wear creations for Chalayan’s Spring-Summer 2017 ready-to-wear fashion collection in Paris. Photo Zacharie Scheurer/AP 

Sotheby's employees hang a painting by David Hockney called 'Woldgate Woods, 24,25 and 26 October, 2006' at Sotheby's auction rooms in London, Friday, Sept. 30, 2016. The painting estimated at 9 million pounds (12 million US dollars) will be auctioned in the Contemporary Art Evening Auction in New York on Nov. 17.

Kirsty Wigglesworth/AP

Sotheby’s employees hang a painting by David Hockney called ‘Woldgate Woods, 24,25 and 26 October, 2006′ at Sotheby’s auction rooms in London. The painting is estimated to sell for 9 million pounds and will be auctioned in the Contemporary Art Evening Auction in New York on November 17. Photo Kirsty Wigglesworth/AP 

Technicians visit a new hybrid operating room of the IHU, Institute of Image-Guided Surgery in Strasbourg, France, September 29, 2016. The hybrid operation room of the IHU combines the most advanced minimally invasive surgery techniques and the latest medical imaging technologies, resulting in the most advanced surgery platform of the world. Picture taken September 29, 2016.  REUTERS/Vincent Kessler

Vincent Kessler /Reuters

Technicians visit a new hybrid operating room of the IHU, Institute of Image-Guided Surgery in Strasbourg, France. The hybrid operation room of the IHU combines the most advanced minimally invasive surgery techniques and the latest medical imaging technologies, resulting in the most advanced surgery platform of the world. Photo Vincent Kessler/Reuters 

he canton of Bern is pictured from the summit "Chasseral" (1607m) based in the Jura Mountains, in the canton of Bern, Switzerland,

Anthony Anex/EPA

The canton of Bern is pictured from the summit “Chasseral” based in the Jura Mountains, in the canton of Bern, Switzerland 

U.S President Barack Obama (L) and U.S. Secretary of State John Kerry disembark Air Force One upon landing at Israel's Ben Gurion International airport to attend the funeral of former Israeli President Shimon Peres, in Lod, Israel September 30, 2016.

Kevin Lamarque/Reuters

U.S President Barack Obama and U.S. Secretary of State John Kerry disembark Air Force One upon landing at Israel’s Ben Gurion International airport to attend the funeral of former Israeli President Shimon Peres, in Lod, Israel. Photo Kevin Lamarque/Reuters

Israeli security forces body search Palestinians in the West Bank town of Hebron on September 20, 2016, after a Palestinian tried to stab Israeli soldiers before being shot to death at a checkpoint at the entrance of the nearby village of Bani Naim.  This incident was the ninth since September 16, 2016, coming after Palestinians wrapped up the Muslim celebration of Eid al-Adha and as Israel tightened security ahead of major Jewish holidays in October.   / AFP PHOTO / HAZEM BADERHAZEM BADER/AFP/Getty Images

Hazer Bader/AFP/Getty

Israeli security forces body search Palestinians in the West Bank town of Hebron after a Palestinian tried to stab Israeli soldiers before being shot to death at a checkpoint at the entrance of the nearby village of Bani Naim 

An artisan works on an idol of Hindu goddess Durga at a workshop ahead of the Durga Puja festival in Kolkata, India

Rupak De Chowdhuri/Reuters

An artisan works on an idol of Hindu goddess Durga at a workshop ahead of the Durga Puja festival in Kolkata, India 

Aid is seen strewn across the floor in the town of Orum al-Kubra on the western outskirts of the northern Syrian city of Aleppo on Septmber 20, 2016, the morning after a convoy delivering aid was hit by a deadly air strike. The UN said at least 18 trucks in the 31-vehicle convoy were destroyed en route to deliver humanitarian assistance to the hard-to-reach town.  / AFP PHOTO / Omar haj kadourOMAR HAJ KADOUR/AFP/Getty Images

Omar Haj Kadour/AFP/Getty

Aid is seen strewn across the floor in the town of Orum al-Kubra on the western outskirts of the northern Syrian city of Aleppo on Tuesday after a convoy delivering aid was hit by a deadly air strike on Monday. The UN said at least 18 trucks in the 31-vehicle convoy were destroyed en route to deliver humanitarian assistance to the hard-to-reach town 

This picture taken on September 19, 2016 shows people onboard fishing boats heading out to sea in order to catch crabs, in Xianrendao in China's northeastern Liaoning province.

Johannes Eisele/AFP/Getty

Fishing boats head out to sea in order to catch crabs, in Xianrendao in China‘s northeastern Liaoning province 

Shire horses Heath, 10, (white) and Tom, 8, (brown) pull an antique horse drawn mower driven by Edward MacDowell and guided by Tom Nickson as they cut the meadow at Kensington Palace on September 19, 2016 in London, England. The horses are usually resident at Hampton Court Palace but were called in to the heart of the capital by the Historic Royal Palaces gardens team to assist with the centuries-old traditional mowing of the meadow.  (Photo by Chris J Ratcliffe/Getty Images)

Chris J Ratcliffe/Getty

Shire horses Heath, 10 and Tom, 8, pull an antique horse drawn mower driven by Edward MacDowell and guided by Tom Nickson as they cut the meadow at Kensington Palace London, England. The horses are usually resident at Hampton Court Palace but were called in to the heart of the capital by the Historic Royal Palaces gardens team to assist with the centuries-old traditional mowing of the meadow 

U.S. Democratic presidential candidate Hillary Clinton arrives to a press briefing before boarding her campaign plane at the Westchester County airport in White Plains, New York, U.S. September 19, 2016. REUTERS/Carlos Barria

Carlos Barria/Reuters

U.S. Democratic presidential candidate Hillary Clinton arrives to a press briefing before boarding her campaign plane at the Westchester County airport in White Plains, New York

Artist belonging to Nepalese ethnic-based Madhesh political parties acts as an injured activist while protesting to mark the Nepal's first constitution day in Kathmandu, Nepal, 19 September 2016. Hundreds of members of Ethnic Madhesi political parties and related artists protest against the new constitution, which is celebrating by the government side on 19 September 2016. Madhesh based political parties say that this new constitution will not represent their demands which obstructs more political representation for ethnic minorities in the nation's parliament.  EPA/NARENDRA SHRESTHA

Narendra Shrestha/EPA

Artist belonging to Nepalese ethnic-based Madhesh political parties acts as an injured activist while protesting to mark the Nepal’s first constitution day in Kathmandu, Nepal 

An event organiser removes a fake slot machine after junior doctors and supporters rallied outside the Royal Courts of Justice, Strand on the first day of their hearing as they challenge the government’s plan for a seven-day NHS service in London, England

Members of a riflemen's association participate in the traditional Bavarian riflemen's parade during day 2 of the Oktoberfest 2016 beer festival on September 18, 2016 in Munich, Germany.  The 2016 Oktoberfest is taking place under heightened security due to fears over international terrorism. The fest will be open to the public through October 3. (Photo by Johannes Simon/Getty Images)

Johannes Simons/Getty

Members of a riflemen’s association participate in the traditional Bavarian riflemen’s parade during day 2 of the Oktoberfest 2016 beer festival in Munich, Germany 

An Afghan boy runs past at a local brick factory on the outskirts of Kabul, Afghanistan, Monday, Sept. 19, 2016. (AP Photo/Rahmat Gul)

Rahmat Gul/AP

An Afghan boy runs past at a local brick factory on the outskirts of Kabul, Afghanistan