A visitor to a house covered in Halloween decorations looks over the scene in the front yard in the Chicago suburb of Naperville, Illinois, October 27, 2014. Breathtaking purple-and-orange light displays, zombie graveyards, mutilated mannequins and singing inflatable pumpkins are just some of the front-yard Halloween decorations that Americans are expected to spend $7.4 billion on this year. In the Chicago suburb of Naperville, the displays got so elaborate that Annette Wehrli decided to set up a tour. Wehrli's Naperville Trolley & Tours, which has run tours of Christmas lights for 19 years, put Halloween on the schedule at the suggestion of enthusiastic residents of the sprawling upper middle-class city of 200,000. (Photo by Jim Young/Reuters)

Leslie Holder walks through the turnstile at the 14th Street station ahead of the 41st Annual Village Halloween Parade October 31, 2014 in New York City. Thousands of costumed New Yorkers gather every year at the parade, which starts on Spring St before heading more than a mile along Sixth Avenue. (Photo by Kevin Hagen/Getty Images)

Participants, wearing make-up and costumes, eat candy during Halloween night in Tokyo's Shibuya district October 31, 2014. Thousands of costumed revellers descended on Shibuya crossing in downtown Tokyo on Friday to celebrate Halloween in what has in recent years become a incredibly popular Japanese past time. (Photo by Yuya Shino/Reuters)

Kids dressed in costumes wait for candy while trick or treating during Halloween in Port Washington, New York, October 31, 2014. (Photo by Shannon Stapleton/Reuters)

Jesus Pellot, dressed as a zombie, poses for a photo at the 14th St. station before heading to the 41st Annual Village Halloween Parade October 31, 2014 in New York City. (Photo by Kevin Hagen/Getty Images)

U.S. President Barack Obama and first lady Michelle Obama walk out to greet children on the South Lawn for a Halloween trick-or-treating celebration in Washington October 31, 2014. Invitees included local children and the children of military families, according to the White House. (Photo by Jonathan Ernst/Reuters)

Benjamin Rocamp, who dressed as Batman, celebrates Halloween at the Flint family's annual Halloween block party in Silver Spring, Maryland October 31, 2014. The Flint family have decorated their house and thrown a theme block party for the last 17 years for neighborhood children and adults before the annual trick or treating. (Photo by Gary Cameron/Reuters)

Seven-year-old Willow Goucher, who is dressed as a Native American for trick or treating, is asked by her mother to reach towards a sign for a photograph in Canadensis, Pennsylvania October 31, 2014. The 31-year-old survivalist Eric Frein, who was captured on Thursday after a seven-week manhunt and wearing the handcuffs of the Pennsylvania trooper he is accused of killing, was held without bail on Friday after his first court appearance on first-degree murder and other charges. Prosecutors say Frein will face the death penalty if convicted. In Barrett Township, which includes the village of Canadensis, where Frein lived with his parents, the town's Halloween parade had been canceled but authorities lifted a ban on trick-or-treating on Friday. (Photo by Mark Makela/Reuters)

Pro-democracy protesters wearing costumes pose for a photo during Halloween, on a main road which they have blocked, at Admiralty district in Hong Kong October 31, 2014. (Photo by Tyrone Siu/Reuters)

Tyson Washington takes a moment to sit down before the start of the 41st Annual Village Halloween Parade October 31, 2014 in New York City. (Photo by Kevin Hagen/Getty Images)

Children dressed in costumes eat pizza at the Flint family's annual Halloween block party in Silver Spring, Maryland October 31, 2014. The Flint's have decorated their house and thrown a theme block party for the last 17 years for neighborhood children and adults before the annual trick or treating. (Photo by Gary Cameron/Reuters)

Supporters of Romanian Prime Minister and presidential candidate Victor Ponta attend a Halloween party organized by Social Democratic Party (PSD) in Bucharest October 31, 2014. Ponta looked set to win the first round of presidential elections in Romania Sunday amid fears that, if elected, he would rein in the justice system. The 42-year-old centre-left politican has enjoyed a comfortable lead over 13 other candidates and looks set to face 55-year-old liberal Klaus Iohannis, from the German-speaking minority, in a second round on November 16.The elections are seen as crucial for Romania, as well as central Europe, at a time when democracy has suffered setbacks in some neighbouring countries, such as Hungary, and as the Ukraine crisis has shaken relations between the European Union and Russia. (Photo by Daniel Mihailescu/AFP Photo)

Participants in costumes pose for pictures after a Halloween parade in Kawasaki, south of Tokyo, October 26, 2014. More than 100,000 spectators turned up to watch the parade, where 2,500 participants dressed up in costumes, according to the organiser. (Photo by Yuya Shino/Reuters)

A actress dressed as Glinda, the Good Witch of the North from the Movie 'The Wizard of Oz,' performs by the Rose Garden of the White House before President Barack Obama greeted costumed children during Halloween festivities at the White House in Washington, Friday, October 31, 2014. President Barack Obama and first lady Michelle Obama welcomed local children and children of military families to “trick-or-treat” at the White House for Halloween. (Photo by Jacquelyn Martin/AP Photo)

An installation of 3,000 candle-lit pumpkins blanket the canal side steps at Granary Square on October 31, 2014 in London, England. The pumpkins, created by members of youth development group Global Generation and other carvers, will be on display and illuminated from dusk until Saturday November 1, 2014. (Photo by Rob Stothard/Getty Images)

A group of youngsters dressed as ghouls and zombies for Halloween pose for a photograph as they parade in downtown Lisbon, Portugal, Friday, October 31, 2014. (Photo by Francisco Seco/AP Photo)

People dressed up for Halloween walk with their dogs as they participate in the first “Halloween doggy walk” in Lille, northern France, on October 31, 2014. Thirty participants and their dogs took part in the walk through the heart of Lille. (Photo by Philippe Huguen/AFP Photo)

Bonnie Chan waited at a food truck during the 41st Annual Village Halloween Parade October 31, 2014 in New York City. (Photo by Kevin Hagen/Getty Images)

Juan Carlos Vilchez, 18-months-old, dressed to represent horror movie icon Chucky, looks into a storefront mall window, in Managua, Nicaragua, Friday, October 31, 2014. Juan Carlos is wearing a first place winner that he won earlier, for best Halloween costume in his age group. (Photo by Esteban Felix/AP Photo)

A woman walks her child to school as he is dressed as a character from Minecraft in New York, October 31, 2014. (Photo by Lucas Jackson/Reuters)

Participants, wearing make-up and costumes, pose during Halloween in Tokyo's Shibuya district, October 31, 2014. (Photo by Yuya Shino/Reuters)

Participants wearing make-up and costumes pose during Halloween night in Tokyo's Shibuya district, October 31, 2014. (Photo by Yuya Shino/Reuters)

Participants wearing costumes and make-up as zombies ride a subway after a Halloween event to promote the U.S. TV series “The Walking Dead” in Tokyo October 31, 2013. More than a thousand people dressed as zombies participated in the event to simulate taking over Tokyo Tower, according to organisers. (Photo by Issei Kato/Reuters)

Participants wearing costumes and make-up as zombies march during a Halloween event to promote the U.S. TV series “The Walking Dead” at Tokyo Tower October 31, 2013. (Photo by Issei Kato/Reuters)

A participant dressed as a zombie marches during a Halloween event to promote the U.S. TV series “The Walking Dead” at Tokyo Tower October 31, 2013. (Photo by Issei Kato/Reuters)

Participants wearing costumes and make-up as zombies march during a Halloween event to promote the U.S. TV series “The Walking Dead” at Tokyo Tower October 31, 2013. (Photo by Issei Kato/Reuters)

A school boy wearing a mask and a costume arrives on a bicycle before the start of a Halloween Parade along a street in Manila October 30, 2014. (Photo by Romeo Ranoco/Reuters)