Dawn at the train station in Jacobsdorf, Germany, November 5, 2014. Deutsche Bahn will begin the longest strike in its 20 year history, striking for more than four days. (Photo by Patrick Pleul/EPA)

A picture rotated 180 degrees shows Swiss man Alex Riva, originally from Lugano, posing for a photo at his new tourist venture called Baan Teelanka, the Upside Down House, on the tourist resort island of Phuket, southern Thailand, November 5, 2014. Riva, originally from Lugano, opened the tourist attraction with his Phuket-born wife Wa in April 2014 after researching that there were only about ten upside down houses in the world. Popular with domestic and foreign tourists looking for good photo opportunities of themselves, it has since drawn between five to eight thousand tourists per month. (Photo by Barbara Walton/EPA)

Russian servicemen dressed in historical uniforms take part in a rehearsal for a military parade at the Red Square in Moscow November 5, 2014. The parade will be held on November 7 to mark the anniversary of a historical parade in 1941, when Soviet soldiers marched through the Red Square towards the front lines of World War Two. (Photo by Maxim Shemetov/Reuters)

Russian servicemen dressed in historical uniforms take part in a rehearsal for a military parade at the Red Square in Moscow November 5, 2014. (Photo by Maxim Shemetov/Reuters)

A man dressed in a historical uniform plays an accordion as he takes part in a rehearsal for a military parade at the Red Square in Moscow November 5, 2014. (Photo by Maxim Shemetov/Reuters)

Students commandeer a fuel truck during protests outside a university in Makassar, located in South Sulawesi province on November 6, 2014 to denounce the planned increase of fuel prices as the Indonesian government moves to reduce the fuel subsidy blamed for a widening current account deficit. (Photo by Yusuf Wahil/AFP Photo)

A police and soldiers subdue a demonstrator following clashes between police and demonstrators in Makassar located in South Sulawesi province, protesting the visit of Indonesian President Joko Widodo and denounced the government plan to cut huge fuel subsidies blamed for a widening current account deficit. Hundreds of students staged the protest as Widodo arrived for a two day working visit. (Photo by Yusuf Wahil/AFP Photo)

People walk past an installation by artist Eric Doeringer called “The Hug” showing 40.000 One dollar bills during the exhibition “sh*t and Die” as part of the “Artissima” art fair at Palazzo Cavour on November 5, 2014 in Turin. For its twenty-first edition Artissima feature a selection of 194 cutting-edge contemporary art galleries and a show “sh*t and Die” organised by Maurizio Cattelan, Myriam Ben Salah and Marta Papini at Palazzo Cavour. (Photo by Marco Bertorello/AFP Photo)

Policemen carry an arrested protestor, during a national trade union demonstration in Brussels, Thursday November 6, 2014. Tens of thousands of demonstrators are converging on the Belgian capital to protest government policies that will extend the pension age, contain wages and cut into public services. (Photo by Geert Vanden Wijngaert/AP Photo)

Thousands of people take part in a demonstration on the streets in Brussels, Belgium, November 6, 2014. About 100,000 protesters are expected ta take part to the demonstration. The call of trade union front (FGTB-CSC-CGSLB) to participate in the national demonstration against the economic measures announced by the federal government. (Photo by Julien Warnand/EPA)

A riot police officer is helped by plainclothes colleagues during a confrontation with demonstrators in central Brussels November 6, 2014. Around 100,000 Belgians marched through central Brussels on Thursday in protest at the new government's proposed reforms and cost-cutting measures, the first in a series of demonstrations and strikes planned over coming weeks. (Photo by Francois Lenoir/Reuters)

(L-R) Dutch right wing PVV State members Ton van Kesteren, Matthijs Jansen and Dennis Ram attend a meeting in the Province House in Groningen, The Netherlands, November 5, 2014, dressed as “Zwarte Piet” (Black Pete) to make a statement that according to them “Zwarte Piet” should not change his appearance in the city of Groningen during the Sinterklaas (Saint Nicolas) festival. The traditional figure Zwarte Piet is the companion of Saint Nicolas during a yearly feast celebrated on the evening of 05 December, and has become the subject of much controversy in recent years as some people think it is racist. (Photo by Vincent Jannink/EPA)

A gaint condom is seen over a heritage-listed obelisk at Hyde Park in Sydney on November 7, 2014. An 18-metre (60-foot) bright pink condom raised eyebrows in Sydney after it was erected over a Sydney landmark as part of a new awareness campaign about HIV. (Photo by Saeed Khan/AFP Photo)

A woman dressed in a costume is pictured during the biannual “Whitby Goth Weekend” (WGW) festival in Whitby, Northern England, on November 2, 2014. The WGW festival brings thousands of goths and alternative lifestyle fans from the UK and around the world over a weekend of music, dancing and shopping. (Photo by Oli Scarff/AFP Photo)

Sculptor and restorer Carlo Wloch works on a lifesize sculpture of a Trabant 601 car in his workshop in Berlin, November 7, 2014. After 6000 hours of work in 17 years Wloch created the car sculpture out of a huge block of sandstone. (Photo by Hannibal Hanschke/Reuters)

Indian policemen beat Kashmiri Shiite Muslims who took out a religious procession during restrictions in Srinagar, Indian-controlled Kashmir, Sunday, November 2, 2014. Police imposed restrictions in some parts of Srinagar fearing religious processions marking the Muslim month of Muharram, would turn into anti-India protests. Large public gatherings have been banned in Indian Kashmir since the outbreak of an armed insurgency against Indian rule in 1989. (Photo by Mukhtar Khan/AP Photo)

Katy Perry performs live at Perth Arena during her Prismatic World Tour on November 7, 2014 in Perth, Australia. (Photo by Paul Kane/Getty Images)

An elderly woman pulls а cart with firewood near the Donetsk airport, in eastern Ukraine on November 3, 2014. EU foreign policy chiefs blasted Moscow's recognition of separatist elections in Ukraine on November 3, saying the polls, which sought to put a legal veneer on the bloody pro-Russian rebellion, violated a peace agreement. (Photo by Dimitar Dilkoff/AFP Photo)

Kremlin supporters march on November 4, 2014 in the center of Moscow during the National Unity Day, a national holiday which this year marks the 402th anniversary of the 1612 expulsion of Polish occupiers from the Kremlin. (Photo by Andrey Makhonin/AFP Photo)

A picture taken on November 6, 2014 from the Turkish city of Mursitpinar shows a rocket fired by Islamic State militants to People's Protection Units (YPG) fighters' positions, from the east part of the Syrian city of Kobane, also known as Ain al-Arab. Turkey is pursuing a delicate but potentially dangerous strategy over the besieged Syrian town of Kobane, working to thwart Kurdish domination of northern Syria but also running the risk of a breakdown of its peace process with the Kurds. (Photo by Aris Messinis/AFP Photo)

Tourists pose with pigeons in the flooded St. Mark's Square in Venice, on November 7, 2014. The high water, a combination of high tides and a strong Scirocco wind in the Adriatic Sea, stood at 110 centimeters early on November 7. The city has for years been wrestling with the problems posed by the threat of rising sea levels. (Photo by Olivier Morin/AFP Photo)

A windsurfer rides on the northern coast of Italy in Aurelia (western Genova) on November 4, 2014 in Andora. (Photo by Olivier Morin/AFP Photo)

An Indian policeman wields his baton against a Kashmiri Shi'ite Muslim mourner as he is detained during a Muharram procession in Srinagar, on November 1, 2014. (Photo by Danish Ismail/Reuters)

Illuminated lanterns in the shape of fish are displayed above the Cheonggyechun stream in central Seoul during the 6th annual lantern festival on November 6, 2014. The festival, which runs for 17 days, aims to promote cultural and historical awareness through four themed sections. (Photo by Ed Jones/AFP Photo)

Tiger skins are displayed at the National Zoological Park in the Indian capital New Delhi on November 2, 2014. The Ministry of Environment, Forest and Climate Change destroyed illegal wildlife artifacts including animal skins during an event highlighting the environment and the illegal trade in animal products. (Photo by Sajjad Hussain/AFP Photo)

Talkspace therapist Christy Paul, LMHC, texts with a patient from a plastic bubble set up in New York November 5, 2014, during the kickoff of the Talkspace #PopupTherapy showcase, a web and mobile app that for $25 USD per week connects people with licensed therapists for unlimited, text therapy. (Photo by Timothy A. Clary/AFP Photo)

Colorful fish-shaped lanterns are lit up on the eve of Seoul Lantern Festival, which will be held from Nov. 7–23, along Cheonggye stream in Seoul, South Korea, Thursday, November 6, 2014. (Photo by Lee Jin-man/AP Photo)

Kalamadalam Shanmukhan performs in a Kathakali at the Indian Cultural Center and Temple in Eads, Tenn., Sunday, November 2, 2014. It takes the actor performing the Indian classical dance drama that dates back to the 17th century five to six hours to get into costume for the performance. Shanmukhan played the role of Ravana from the epic Ramayana. (Photo by Mike Brown/AP Photo/The Commercial Appeal)

This picture taken on November 4, 2014 in the French Riviera city of Nice, southeastern France shows the “promenade des Anglais” strewn with debris. Large waves broke against barriers at the harbour of Nice, as the French national meteorological service expanded to 16 the number of French departments on orange alert (the second highest weather warning), due to storms, heavy rain and a risk of flooding in some areas. (Photo by Valery Hache/AFP Photo)

Ukrainian artists perform in front of a newly opened 3D picture showing interior of a theater, on a place, where previously Lenin's bust was hanging', at the subway station “Teatralnaya” (Theater) in Kiev, Ukraine, 06 November 2014. Kiev's subway was opened on 06 November 1960. (Photo by Tatyana Zenkovich/EPA)

Candles are left on tombs to mark the occasion of All Saints' Day on the Rasos cemetery in Vilnius, Lithuania on November 1, 2014. In Lithuania, people visit cemeteries at this time across the country in memory of the deceased. (Photo by Petras Malukas/AFP Photo)

Gallery assistants pose for pictures with John Pasche's 1971 “Tongue and Lip Design” logo, commissioned by Mick Jagger, at a photocall for a retrospective of students' artwork, titled “GraphicsRCA: Fifty Years” at the Royal College of Arts in London, on November 4, 2014. (Photo by Leon Neal/AFP Photo)

This Monday, November 3, 2014 photo provided by the US Navy shows an F-35C Joint Strike Fighter conducts an approach on the aircraft carrier USS Nimitz, 40 miles off San Diego, Calif. The Navy has completed the first two landings of F-35C Joint Strike Fighters a milestone for the new plane. (Photo by Andy Wolfe/AP Photo/U.S. Navy)

Zombie soldier is tangled in barbed wire during Vevo Halloween 2014 Presented By Xperia Lounge at Victoria Warehouse on November 1, 2014 in Manchester, England. (Photo by Shirlaine Forrest/Getty Images for Vevo)