A three wheel design and ultra compact Toyota I-Road electric car is displayed on media day at the Paris Mondial de l'Automobile, October 2, 2014. The Paris auto show opens its doors to the public from October 4 to October 19. (Photo by Jacky Naegelen/Reuters)

Three wheel design and ultra compact Toyota I-Road electric cars are displayed on media day at the Paris Mondial de l'Automobile, October 2, 2014. (Photo by Jacky Naegelen/Reuters)

The Peugeot Quartz Concept car is displayed on media day at the Paris Mondial de l'Automobile, October 2, 2014. (Photo by Benoit Tessier/Reuters)

The new Sikorsky Aircraft S-97 RAIDER helicopter, is seen during its unveiling ceremony at Sikorsky Aircraft in Jupiter, Florida October 2, 2014. The S-97 is a technologically advanced, armed scout helicopter, designed to outmatch conventional military helicopters in speed, maneuverability, payload, and high altitude operations, according to a Sikorsky news release. (Photo by Andrew Innerarity/Reuters)

Iraqi Shi'ite militia fighters stand atop destroyed vehicles belonging to Islamic State militants outside Bo Hassan village near Tikrit, northern Iraq October 2, 2014. The flag shows images depicting Shi'ite imams. (Photo by Reuters/Stringer)

Dancers from Spain's National Dance Company wait for their turn to perform on the stage during a dress rehearsal of the show “Clasicos de hoy” in Madrid October 2, 2014. (Photo by Susana Vera/Reuters)

People walk past Modesto Sotero (2nd R), 82, and his wife Maria Josefina Perez (R), 81, sitting together outside the truck they have been living in for the last nine years underneath a bridge in Monterrey, Mexico, on September 29, 2014. Sotero and Perez have been living in a truck underneath a busy bridge for the last nine years after Sotero had a stroke and underwent surgery, and they ran out of funds. They live on a small pension Modesto receives from his former job as a newspaper journalist, and by begging from passing drivers. They have no children or other family members, and they own no property beside the truck and a few personal items, but they both say that they are happy living the way they do. (Photo by Daniel Becerril/Reuters)

A medal presenter, dressed in a modified Korean tradition garb, climbs into the boxing ring to participate in the awarding of the gold medal to South Korea's Shin Jong-hun, winner of the gold medal in the men's light flyweight -49kg boxing bout at the Seonhak Gymnasium during the 2014 Asian Games in Incheon, October 3, 2014. (Photo by Kim Kyung-Hoon/Reuters)

Hindu women apply “Sindur”, or vermillion powder, on the face of a woman during the Durga Puja festival in the northern Indian city of Chandigarh October 3, 2014. The festival is the biggest religious event for Bengali Hindus. Hindus believe that the goddess Durga symbolises power and the triumph of good over evil. (Photo by Ajay Verma/Reuters)

A pro-democracy protester (C) bleeds in the month as he is escorted by the police after being beaten by anti-Occupy Central protesters at Hong Kong's shopping Mongkok district, where a main road is occupied, October 3, 2014. Cracks are beginning to show in public support for Hong Kong's pro-democracy movement, as residents count the cost of a week of sometimes violent disruption to their lives at work and home. (Photo by Bobby Yip/Reuters)

Angry protesters confront each other in Kowloon's crowded Mong Kok district, Saturday, October 4, 2014 in Hong Kong. Clashes broke out Friday as Hong Kong residents and pro-Beijing supporters tried to force pro-democracy activists from the streets they were occupying, reviving the possibility that the weeklong standoff could turn violent despite and attempt by the city's leader to defuse the situation. (Photo by Wong Maye-E/AP Photo)

A pro-democracy protester cries after a scuffle with anti-Occupy Central protesters as they try to remove a barricade at a main street at Hong Kong's Mongkok shopping district October 4, 2014. Fresh scuffles broke out on Saturday between Hong Kong pro-democracy protesters and opponents of the week-long demonstrations, reigniting concerns that the Chinese-controlled city's worst unrest in decades could take a violent turn. The protests have been largely peaceful since police last Sunday fired tear gas at crowds demanding Beijing grant Hong Kong the unfettered right to choose its own leader. But the mood turned ugly on Friday at the most volatile protest site, in the teeming suburb of Mongkok where some criminal gangs are suspected to be based. (Photo by Carlos Barria/Reuters)

Men lead a recently-purchased camel by rickshaw, ahead of Eid al-Adha celebrations in Lahore October 3, 2014. Muslims around the world celebrate Eid al-Adha by the sacrificial killing of sheep, goats, cows and camels to commemorate Prophet Abraham's willingness to sacrifice his son Ismail on God's command. (Photo by Mohsin Raza/Reuters)

A participant dressed as the character “Scorpion” from the upcoming 2015 “Mortal Kombat X” fighting game is seen at Comic-Con Russia convention and IgroMir 2014 exhibition in Moscow, October 3, 2014. (Photo by Sergei Karpukhin/Reuters)

Participants dressed in costumes of Marvel Comics character “Deadpool” pose for a photograph at Comic-Con Russia convention and IgroMir 2014 exhibition in Moscow, October 3, 2014. (Photo by Sergei Karpukhin/Reuters)

Obrajuelo village residents wash at Lake Nicaragua (“Cocibolca”) in San Jorge October 3, 2014. Locals are worried that the lake will be contaminated after it was announced that the Interoceanic Grand Canal will be built across the lake, local media said. Chinese businessman Wang Jing sealed a controversial no-bid 50-year renewable concession from Nicaragua's Sandinista government in 2013 to develop the $50 billion canal to rival Panama's, and related facilities. (Photo by Oswaldo Rivas/Reuters)

An Afghan man prays after morning prayers on Eid al-Adha in Kabul October 4, 2014. Muslims around the world celebrate Eid al-Adha to mark the end of the haj pilgrimage by slaughtering sheep, goats, camels and cows to commemorate Prophet Abraham's willingness to sacrifice his son, Ismail, on God's command. (Photo by Mohammad Ismail/Reuters)

Supporters of the Shi'ite Muslim Houthi movement attend Eid al-Adha prayers, in Sanaa October 4, 2014. Eid al-Adha, due to start this year on October 4, is a holiday where Muslims across the world slaughter animals and feed the poor to seek God's forgiveness. (Photo by Khaled Abdullah/Reuters)

An Afghan butcher slices meat off cows on the first day of Eid al-Adha in Kabul October 4, 2014. Muslims around the world celebrate Eid al-Adha to mark the end of the haj pilgrimage by slaughtering sheep, goats, camels and cows to commemorate Prophet Abraham's willingness to sacrifice his son, Ismail, on God's command. (Photo by Mohammad Ismail/Reuters)

Russian Interior Ministry members stand guard as Muslims attend an Eid al-Adha mass prayer in Moscow October 4, 2014. Muslims around the world celebrate Eid al-Adha to mark the end of the haj pilgrimage by slaughtering sheep, goats, camels and cows to commemorate Prophet Abraham's willingness to sacrifice his son, Ismail, on God's command. (Photo by Sergei Karpukhin/Reuters)

Kyrgyzstan's Elnura Kamchybekova removes a bloody mouth guard in her bronze medal contest against Iran's Nasrin Dousti of the karate competition at Gyeyang Gymnasium during the 17th Asian Games in Incheon October 4, 2014. (Photo by Rob Dawson/Reuters)

Pupils play with a ball during a break near a replica of three towers and walls of the Moscow's Kremlin located at a school yard in the village of Taseevo, northeast of Krasnoyarsk, Siberia, October 3, 2014. The 1 to 10 scaled replica of the Kremlin, built of self-made bricks, took more then ten years to be built by former local school teacher Vladimir Chernyak and his pupils. The construction is not finished yet, according to school representatives and local residents. Teacher's Day will be marked in Russia on October 5. (Photo by Ilya Naymushin/Reuters)

Italian disabled dancer Simona Atzori (top) performs, before a special audience with disabled athletes led by Pope Francis, in Paul VI hall at the Vatican October 4, 2014. (Photo by Tony Gentile/Reuters)

George Clooney, left, and Amal Alamuddin arrive in Venice, Italy, Friday, September 26, 2014. Clooney, 53, and Alamuddin, 36, are expected to get married this weekend in Venice, one of the world's most romantic settings. (Photo by Luca Bruno/AP Photo)

Marsha Shah (center), of Houston, Texas, dances to electronic beats at the TomorrowWorld electronic music festival in Chattahoochee Hills, South of Atlanta, on Saturday, September 27, 2014. The event has been the world's most popular electronic music festival in Europe for years. (Photo by Hyosub Shin/AJC)

Two workers from Myanmar (wearing helmets and handcuffs), suspected of killing two British tourists on the island of Koh Tao last month, stand near Thai police officers during a re-enactment of the alleged crime, where the bodies of the tourists were found on the island October 3, 2014. The two workers have admitted to killing David Miller and Hannah Witheridge, two British tourists, on the island in southern Thailand, police said on Friday, in a case that has threatened to further damage the Southeast Asian nation's already bruised tourism sector. The bodies of Miller, 24, and Witheridge, 23, were discovered on a beach on the island of Koh Tao, or Turtle Island, on Sept. 15 close to the hotel where they were staying. (Photo by Reuters/Stringer)

An undated handout picture made available by NASA on 30 September 2014 shows the three primary core elements of the ULA Delta IV Heavy rocket, which have been recently integrated, forming the first stage of the launch vehicle that will send Orion far from Earth to allow NASA to evaluate the spacecraft's performance in space, at the United Launch Alliance (ULA) Horizontal Integration Facility (HIF), at Cape Canaveral Air Force Station, Florida, USA. The three common booster cores are 40.8 meters in length and 5.18 meters in diameter. Each has an RS-68 engine that uses liquid hydrogen and liquid oxygen propellant producing 297,556 kilograms of thrust. All totaled, the three Delta IV boosters collectively generate 889,041 kilograms of thrust. The upcoming flight test will use the Delta IV Heavy to launch the Orion and send it 5,793 kilometers in altitude beyond the Earth's surface. During the two-orbit, four-hour mission, engineers will evaluate the systems critical to crew safety, the launch abort system, the heat shield and the parachute system. The data gathered during the mission will influence design decisions and validate existing computer models. The flight also will reduce overall mission risks and costs for later Orion flights. (Photo by Ben Smegelsky/EPA/NASA)

A woman walks by a pandal art installation entitled “Mars Mission” with the figure of an astronaut during the Durga Puja festival in Calcutta, India, 30 September 2014. The Indian Space Research Organisation (ISRO) successfully send an orbiter spacecraft to Mars in September. The Hindu festival of Durga Puja celebrates the killing of a demon king by the goddess. The event runs from 30 September to 04 October. (Photo by Piyal Adhikary/EPA)

JR Tokai's Shinkansen bullet trains stand at platforms at Tokyo station in Tokyo, Japan, 01 October 2014, on the 50th anniversary of the high-speed train service. The Shinkansen is regarded as a symbol of the nation's economic boom, after its ignominious defeat and devastation in the World War II. The train went into service on 01 October 1964, just nine days before the opening of Tokyo Olympic Games. The bullet train debuted with a top speed of 210 km/h, travelling the 515 kilometres between Tokyo and Osaka in four hours. Shinkansen trains now travel the route at up to 270 kilometres per hour, taking just two hours and 25 minutes to connect the two major cities. The top speed is set to be raised to 285 kph next year. (Photo by Kimimasa Mayama/EPA)

Giovanna Battaglia arrives at the Valentino show as part of the Paris Fashion Week Womenswear Spring/Summer 2015 on September 30, 2014 in Paris, France. (Photo by Pascal Le Segretain/Getty Images)

Student protesters chant pro-democracy slogans on the streets on September 30, 2014 in Hong Kong, Hong Kong. Thousands of pro democracy supporters continue to occupy the streets surrounding Hong Kong's financial district. Protest leaders have set an October 1st deadline for their demands to be met and are calling for open elections and the resignation of Hong Kong's Chief Executive Leung Chun-ying. (Photo by Paula Bronstein/Getty Images)

Protesters sing songs and wave their cell phones in the air after a massive thunderstorm passed over outside the Hong Kong Government Complex on September 30, 2014 in Hong Kong, Hong Kong. (Photo by Paula Bronstein/Getty Images)

A protester covers her mouth with tape that says “democracy” on the streets on September 30, 2014 in Hong Kong. (Photo by Paula Bronstein/Getty Images)