Argentina's President Cristina Fernandez de Kirchner appears on a balcony to talk to supporters at the Casa Rosada Presidential Palace in Buenos Aires October 29, 2015. Fernandez de Kirchner, a fiery leftist who often rails against Western excess, will leave behind a divided nation. She is hailed by the poor for expanding social welfare programs and protecting local industry but loathed by others who blame her for strangling the economy. (Photo by Marcos Brindicci/Reuters)





A DC-10 air tanker drops phos-check on the Gibraltar Fire as firefighters watch from a peak in the Los Padres National Forest above Santa Barbara, California in this handout photo from the Santa Barbara County Fire Department released to Reuters October 29, 2015. The fire burned about 50 acres but had firefighters on high alert as hot, dry Santa Ana winds have returned to southern California. (Photo by Mike Eliason/Reuters/Santa Barbara County Fire Department)





A muslim man walks across a bridge on his way to attend prayers on the Kahayan River in Palangkaraya, Central Kalimantan, Indonesia October 30, 2015. (Photo by Darren Whiteside/Reuters)





Military helicopters fly in formation during military exercises conducted by Ukrainian armed forces at the Shiroky Lan training ground in Mykolaiv region, Ukraine, October 30, 2015. The military training exercises, which involved air force, self-propelled vehicles and other armament, were focused on the interaction between different units of the army, according to representatives of the ministry of defence. (Photo by Oleksandr Klymenko/Reuters)





The installation 'H.O.R.T.U.S Karlsruhe? by ecoLogicStudio (Claudia Pasquero and Marco Poletto) from 2012-2015 is presented in the Center for Art and Media (ZKM) in Karlsruhe, Germany, 29 October 2015. It is part of the exhibition 'Exo-Evolution,' which will be shown from 31 October 2015 until 28 February 2016. (Photo by Uli Deck/EPA)





Singers perform on a motorcade during a campaign rally by supporters of the army-backed ruling Union Solidarity and Development Party (USDP) in Yangon on October 30, 2015. The once junta-run nation heads to the polls on November 8 in what voters and observers hope will be the freest election in decades. (Photo by Ye Aung Thu/AFP Photo)





A U.S soldier wearing a werewolf mask takes part in a Halloween party at the US military camp Bondsteel near the town of Ferizaj on October 30, 2015. (Photo by Armend Nimani/AFP Photo)





Models show off latest creations of Parent-Child outfits with the theme "Star Wars" designed by Liujia, during the China Fashion Week in Beijing, Friday, October 30, 2015. (Photo by Andy Wong/AP Photo)





An Indian policeman throws back an exploded tear gas shell towards Kashmiri Muslim protesters during a protest in Srinagar, Indian controlled Kashmir, Friday, October 30, 2015. Police fired teargas and rubber bullets to disperse Kashmiris who gathered after Friday afternoon prayers to protest against the killing of Abu Qasim, a Pakistani national and operations chief of the Lashkar-e-Taiba militant group. The top rebel leader in Kashmir was killed in a gunbattle with Indian forces Thursday. (Photo by Dar Yasin/AP Photo)





Volunteers and local residents help refugees and migrants disembark from a small vessel after their arrival in Skala Sykaminias on the northeastern Greek island of Lesbos on Friday, October 30, 2015. Greek authorities say 21 people have died in other islands after two boats carrying migrants and refugees from Turkey to Greece sank overnight, in the latest deadly incidents in the eastern Aegean Sea. (Photo by Kostis Ntantamis/AP Photo)





A refugee prepares to hand over a toddler to a volunteer lifeguard as a half-sunken catamaran carrying around 150 refugees, most of them Syrians, arrives after crossing part of the Aegean sea from Turkey on the Greek island of Lesbos, October 30, 2015. There were no casaulties amongst the refugees who were travelling on the catamaran, according to a Reuters witness. The death toll from drownings at sea has mounted recently as weather in the Aegean has taken a turn for the worse, turning wind-whipped sea corridors into deadly passages for thousands of refugees crossing from Turkey to Greece. (Photo by Giorgos Moutafis/Reuters)





Filipino activists wearing Halloween-themed masks stage a protest march on a street in Manila, Philippines, 29 October 2015. According to a statement from the protesters, they rallied to denounce the upcoming Asia-Pacific Economic Cooperation (APEC) meetings scheduled from 12 to 20 November in Manila. (Photo by Francis R. Malasig/EPA)





Cultural performers dance during the ANOC Awards 2015 held at DAR Constitution Hall October 29, 2015 in Washington, DC. (Photo by Molly Riley/Getty Images for ANOC)





Actor Robert Butcher scares guests with an bladeless circular saw at the The Dent Schoolhouse haunted attraction, Thursday, October 29, 2015, in Cincinnati. The haunt, owned and operated by Bud Stross and Josh Wells, two high school friends, inhabits a late 19th century schoolhouse they've renamed "The Dent Schoolhouse". (Photo by John Minchillo/AP Photo)





Paweena Jonted, left, and Suparat Pumyu, far right, both representing their native country of Thailand, pose with students from Coleman Middle School in Tampa, Fla. Thursday, October 29, 2015. (Photo by Scott Keeler/The Tampa Bay Times via AP Photo)





People attend a Halloween event at Ocean Park on October 30, 2015 in Hong Kong. Halloween - a named taken from 'All Hallows' Even' falls on the day before All Saints' Day on November 1 - a holiday when Christians remember their deceased loved ones. (Photo by Anthony Kwan/Getty Images)





People attend a Halloween event on October 30, 2015 in Ocean Park in Hong Kong. (Photo by Jerome Favre/Getty Images)





A boy jumps into the sea from a roof in the bay of Rio Caribe at the state of Sucre, Venezuela October 29, 2015. (Photo by Carlos Garcia Rawlins/Reuters)





Actress Jaime King poses at the 2015 amfAR Inspiration Gala in Los Angeles, California October 29, 2015. amfAR's sixth annual gala benefits AIDS research. (Photo by Mario Anzuoni/Reuters)





Students of Brainshire Science School wear costumes as they participate in a halloween parade in Paranaque city, metro Manila October 30, 2015. (Photo by Romeo Ranoco/Reuters)





Students of Brainshire Science School wear costumes as they participate in a halloween parade in Paranaque city, metro Manila October 30, 2015. (Photo by Romeo Ranoco/Reuters)





Students of Brainshire School dawn scary and colorful costumes as they participate in a halloween parade in Paranaque city, metro Manila October 30, 2015. (Photo by Romeo Ranoco/Reuters)





A Palestinian suspected of committing a stabbing attack is surrounded by Israeli border police at the scene of the attack in Jerusalem October 30, 2015. Knife-wielding Palestinians attacked Israelis in Jerusalem and the Israeli-occupied West Bank and one of assailants was shot dead, police said. (Photo by Ammar Awad/Reuters)





An employee poses with a cushion-shaped 16.08 carat vivid pink diamond at Christie's auction house in Geneva, Switzerland October 30, 2015. The diamond is estimated to sell for $23-28 million when auctioned during the Magnificent Jewels auction in Geneva on November 10. The stone is set as a ring, that includes a double row of pave-set white diamonds that border and accentuate the main stone, along with a third row of small pink diamonds beneath. (Photo by Denis Balibouse/Reuters)





Titan, the robot created by Cyberstein Robots Ltd., performs during a promotional event at the Qwartz shopping centre in Villeneuve-la-Garenne, near Paris, France, October 30, 2015. (Photo by Benoit Tessier/Reuters)





An Israeli soldier fires a weapon towards Palestinian protesters during clashes near the Jewish settlement of Bet El, near the West Bank city of Ramallah October 30, 2015. Knife-wielding Palestinians attacked Israelis in Jerusalem and the Israeli-occupied West Bank on Friday and one assailant was shot dead, police said, extending a wave of violence spurred in part by tensions over a Jerusalem holy site. (Photo by Mohamad Torokman/Reuters)





Shaq Boshraa, a spiritual healer, sprinkles water during a sermon at a yard in Khartoum, Sudan, October 30, 2015. (Photo by Mohamed Nureldin Abdallah/Reuters)





A believer reacts during a sermon by Shaq Boshraa, a spiritual healer, at a yard in Khartoum, Sudan, October 30, 2015. (Photo by Mohamed Nureldin Abdallah/Reuters)





U.S. President Barack Obama looks at a boy in a costume during a Halloween trick-or-treating celebration on the South Lawn of the White House in Washington October 30, 2015. Invitees included local children and the children of military families, according to the White House. (Photo by Carlos Barria/Reuters)





Palestinian protesters throw stones at Israeli soldiers during clashes in the West Bank of Hebron, 30 October 2015. Since the start of October, violence that has included stabbings as well as clashes between Palestinian protesters and Israeli security forces has killed at least 65 Palestinians and 10 Israelis. (Photo by Abed Al Hashlamoun/EPA)





Actors Ben Brotzman and Kali McMillian recreate a scene from the AMC television show "The Walking Dead" for visitors to the "Walking Dead- Experience Chapter 1" Friday, October 30, 2015, in Atlanta. "The Walking Dead Experience-Chapter 1" drops small groups of audience members into more than 10,000 square feet of sets and special effects designed to emulate the fear and chaos of the television show, organizers say. (Photo by John Bazemore/AP Photo)





Cast member, Australian singer Delta Goodrem performs a scene during a media call for the musical Cats at the Capitol Theatre in Sydney, Australia, 30 October 2015. Goodrem will play the character Grizabella in Andrew Lloyd Webber's international hit show as it tours Australia over coming months. (Photo by Joel Carrett/EPA)





An elderly woman stands inside a model of the skytrain displayed at Giang Vo exhibition center in Hanoi, Vietnam, 30 October 2015. The model is opened to public for people to visit and give feedback before the skytrains are completed in the future. (Photo by Luong Thai Linh/EPA)





Simone Biles of the USA performs on the uneven bars during the Women's all-around finals on day seven at the 46th FIG Artistic Gymnastics World Championships where she won gold in Glasgow, Britain, 29 October 2015. (Photo by Andrew Cowie/EPA)





Actor Matt Maloney, left, helps remove a prosthetic from the face of colleague Robert Hensley after closing at the The Dent Schoolhouse haunted attraction, Thursday, October 29, 2015, in Cincinnati. The haunt, owned and operated by Bud Stross, 28, and Josh Wells, two high school friends, inhabits a late 19th century schoolhouse they've renamed "The Dent Schoolhouse". (Photo by John Minchillo/AP Photo)





Alia Yusuf wears a "Donald Trump" mask before the taping of a Halloween themed television show at Warner Bros. Studio in Burbank, Calif., on Thursday, October 29, 2015. (Photo by Nick Ut/AP Photo)





In this October 24, 2015 photo, participants parade during an annual Halloween event in Kawasaki, near Tokyo. Although Japan has its own traditional festivals to celebrate spookiness and honor the dead, Halloween is being observed with a special frenzy. (Photo by Koji Sasahara/AP Photo)





Lori Schmaltz carries a pumpkin to a customer's car Thursday, October 29, 2015, at DeVries Farms, in Lincoln Township, Mich. The family farm, in operation since 1971, offers dozens of varieties of pumpkins, gourds, and Indian corn for sale each Halloween season. (Photo by Don Campbell/The Herald-Palladium via AP Photo)





Star Wars Storm Trooper characters cross the street after a giant Star Wars helmet was unveiled, during the inauguration of an open air exhibition called 'Face the Force' in Madrid, Spain, Friday, October 30, 2015. Seven other giant helmets are due to be placed in various corners in the city. (Photo by Paul White/AP Photo)





Laura Kienitz holds hands with her father Bobby Kienitz as they attend the Trunk or Treat at the Crown Health Services parking lot in Tyler, Texas on Thursday, October 29, 2015. Crown Health Services staff members decked out their cars with Halloween-inspired decorations and free candy for children. (Photo by Sarah A. Miller/Tyler Morning Telegraph via AP Photo)





Two boys sit outside their flooded house at the Mukuru Kwa Njenga slum following heavy rainfall October 29, 2015, in the capital Nairobi. According to the weather forecast, the El Nino weather phenomenon is expected to hit Kenya, but says it is unlikely to unleash the fury and destruction of 1997. (Photo by Simon Maina/AFP Photo)





Passengers are evacuate from a plane on fire at Fort Lauderdale airport, Florida on October 29, 2015. An airliner caught fire on a runway at Fort Lauderdale in Florida Thursday and several people were injured, authorities said. "Airplane engine fire," the Broward County Sheriff's Office said on Twitter, adding: "several injuries". (Photo by Andres Gallego/AFP Photo)