People dressed as Minions, who pose in photos for tips, stand in the sunlight in Times Square in the Manhattan borough of New York January 17, 2015. (Photo by Carlo Allegri/Reuters)

A group of costume characters who pose in photos for tips stand in the sunlight in Times Square in the Manhattan borough of New York January 17, 2015. (Photo by Carlo Allegri/Reuters)

Costume Mickey and Minnie Mouse stand in the sunlight behind a sign advising that tipping them for photos is optional in Times Square in the Manhattan borough of New York January 17, 2015. (Photo by Carlo Allegri/Reuters)

Current Australian Open tennis women's champion China's Li Na stands next to her Madame Tussauds wax figure on Rod Laver Arena at Melbourne Park January 18, 2015. The Australian Open tennis tournament begins on January 19. (Photo by Fiona Hamilton/Reuters/Tennis Australia)

Current Australian Open tennis women's champion China's Li Na stands next to her Madame Tussauds wax figure after it was unveiled at Melbourne Park January 18, 2015. (Photo by Carlos Barria/Reuters)

Jennifer Lopez, one of the judges of “American Idol”, takes part in a panel during Fox Broadcasting Company's part of the Television Critics Association (TCA) Winter 2015 presentations in Pasadena, California, January 17, 2015. (Photo by Kevork Djansezian/Reuters)

Revellers dance in the streets during the annual “Las Llamadas” (The Calls) Carnival in Colonia January 17, 2015. The Colonia Carnival is the first of the annual carnival season in Uruguay. (Photo by Jorge Adorno/Reuters)

Japan's Kimiko Date-Krumm rests on her racquet during a training session at Melbourne Park January 18, 2015. The Australian Open tennis tournament begins on January 19.. (Photo by Issei Kato/Reuters)

Artist Sebastian Errazuriz yawns, posing for photos as his video art installation “A Pause in the City That Never Sleeps” is projected on screens in Times Square in Manhattan, New York January 17, 2015. The display is part of “Midnight Moment”, a monthly presentation by The Times Square Advertising Coalition and Times Square Arts. (Photo by Carlo Allegri/Reuters)

Australia's Elissa Wundersitz (L-R), Macey Stewart, Alexandra Manly and Lauren Perry pose on the podium after winning gold in the women's team pursuit during the UCI Track Cycling World Cup in Cali, January 17, 2015. (Photo by Jaime Saldarriaga/Reuters)

Sun (C), a newlywed groom, leads his bride Wang as they arrive at a venue during a traditional Chinese wedding in the Changping district of Beijing January 18, 2015. (Photo by Reuters/Stringer)

Manuel Osborne-Paradis of Canada crashes during the men's Alpine Skiing World Cup downhill race in Wengen January 18, 2015. (Photo by Denis Balibouse/Reuters)

A cyclist passes a carwash in Kampung Baru, the last remaining traditional Malay settlement in Kuala Lumpur, January 18, 2015. The Malaysian government announced plans for a $12 billion redevelopment of the 100-year-old settlement located in the heart of the Kuala Lumpur, local media reported. (Photo by Olivia Harris/Reuters)

Syrian residents flee their homes following clashes between opposition fighters and forces loyal to Syria's President Bashar al-Assad in Douma, near Damascus, January 17, 2015, in this handout photograph distributed by Syria's national news agency SANA. (Photo by Reuters/SANA)

People light candles during a peace march in Kiev January 18, 2015, for the victims on a passenger bus which came under fire near the town of Volnovakha in eastern Ukraine. The bus came under heavy fire on January 13, killing at least 10 people, Ukrainian authorities said, and fighting intensified around the international airport in the city of Donetsk as separatists tried to oust government forces. (Photo by Gleb Garanich/Reuters)

A Christian pilgrim dips in the water after a ceremony at the baptismal site known as Qasr el-Yahud on the banks of the Jordan River near the West Bank city of Jericho January 18, 2015. Orthodox Christians flocked to the Jordan River to celebrate the feast of the Epiphany at the traditional site where it is believed John the Baptist baptised Jesus. (Photo by Mohamad Torokman/Reuters)

Women walk past a stall selling the carcasses of wild animals outside Bata January 18, 2015. The sale of bushmeat for human consumption is common in West Africa and Central Africa. (Photo by Mike Hutchings/Reuters)

Cast member Danny DeVito falls to the floor in comedic response to a question as his fellow cast look on during the “It's Always Sunny in Philadelphia” panel at the Television Critics Association (TCA) Winter Press Tour in Pasadena, California January 18, 2015. From L-R: Rob McElhenney, Charlie Day, Glenn Howerton and Kaitlin Olson. (Photo by David McNew/Reuters)

A giant chainsaw carved bust of naturalist John Muir is seen in Lemon Cove near the entrance to Sequoia National Park, California January 17, 2015. (Photo by Lucy Nicholson/Reuters)

Russia's Ekaterina Gnidenko and Australia's Caitlin Ward (R) fall after a collision during the women's kerin at the UCI Track Cycling World Cup in Cali January 18, 2015. (Photo by Jaime Saldarriaga/Reuters)

Su Daocheng rides his home-made mechanical horse vehicle on a street in Shiyan, Hubei province January 18, 2015. Su spent 2 months making this 1.5 metre high and 2 metre long horse, which weighed 250 kilograms with 4 legs and 2 supportive wheels, local media reported. (Photo by Reuters/Stringer)

An alpaca stands as it is being groomed at a pet barber shop in Wuhan, Hubei province, January 19, 2015. Wuhan East Lake Ocean World sent its five alpacas for grooming at the barber shop on Monday, according to local media. (Photo by Reuters/Stringer)

A man immerses himself in an ice hole in the Moskva river during celebrations for Russian Orthodox Epiphany on the outskirts of Moscow January 19, 2015. Orthodox believers mark Epiphany on January 19 by immersing themselves in icy waters regardless of the weather. (Photo by Maxim Shemetov/Reuters)

Visitors talk at the Roger Dubuis stand during the “Salon International de la Haute Horlogerie” (SIHH) watch fair in Geneva January 19, 2015. Sixteen brands of watches and jewellery, which includes those under the Richemont group, exhibit their new models from January 19 to January 23. (Photo by Denis Balibouse/Reuters)

Visitors walk in the A. Lange & Soehne stand at the “Salon International de la Haute Horlogerie” (SIHH) watch fair in Geneva January 19, 2015. (Photo by Denis Balibouse/Reuters)

A man walks past a banner of opposition radical leftist Syriza party's election kiosk in Athens January 19, 2015. The words on the banner read, “Dignity, justice, democracy”. (Photo by Marko Djurica/Reuters)

Lindsey Vonn of the U.S. sprays champagne on the podium after winning the women's World Cup Super-G skiing race in Cortina D'Ampezzo January 19, 2015. Vonn became the most successful female in Alpine skiing World Cup history when she won a Super-G on Monday, her 63rd victory in the competition. (Photo by Max Rossi/Reuters)

A man crosses himself as he dips into the icy waters of a lake as part of celebrations for Epiphany, near the village of Pilnitsa, northeast of Minsk January 19, 2015. Orthodox believers marked Epiphany on January 19 by immersing themselves in icy waters regardless of the weather. (Photo by Vasily Fedosenko/Reuters)

An Israeli soldier from the Golani brigade takes part in training near the city of Katzrin in the Golan Heights January 19, 2015. An Israeli helicopter strike in Syria killed a commander from Lebanon's Hezbollah and the son of the group's late military leader Imad Moughniyah, Hezbollah said, in a major blow that could lead to reprisal attacks. The strike hit a convoy carrying Jihad Moughniyah and commander Mohamad Issa, known as Abu Issa, in the province of Quneitra, near the Israeli-occupied Golan Heights, killing six Hezbollah members in all, a statement from the group said. (Photo by Baz Ratner/Reuters)

An Israeli soldiers of the Golani brigade trains in the Israeli controlled Golan Heights, near Israel-Syria border, Monday, January 19, 2015. The Lebanese militant Hezbollah on Monday prepared to bury six core fighters killed in Syria the day before in what the group described as an Israeli airstrike, including the son of a slain Hezbollah military chief – the group's most prominent figure to die so far in the conflict next door. Although Israel did not confirm or deny the strike, it was a serious blow to Hezbollah, stretched thin and neck-deep in Syria's civil war where the group's Shiite fighters are battling alongside President Bashar Assad's forces. Tehran has confirmed that an Iranian Gen. Mohammad Ali Allahdadi was among the seven killed. (Photo by Ariel Schalit/AP Photo)

German Defence Minister Ursula von der Leyen is welcomed by a soldier in protective clothing during her visit at the German Armed Forces Bundeswehr training centre for warfare disposal in Stetten am kalten Markt, about 120 km (75 miles) south of Stuttgart January 19, 2015. (Photo by Michaela Rehle/Reuters)

A sketch of a male human skeleton labelled with remains that were discovered at a site of an archaeological excavation at the town of Amphipolis in northern Greece, is seen in this undated handout combo image distributed by Greece's Culture ministry on January 19, 2015. A vast ancient tomb once thought to possibly house the remains of Alexander the Great contains bones of a woman, a newborn baby and two men and fragments of a cremated person, the Greek culture ministry said on Monday. (Photo by Reuters/Hellenic Culture Ministry)

A woman stands next to a priest during an Epiphany day celebration in Bitushe village, about 150km (93 miles) west from the capital Skopje, January 19, 2015. Bitushe practises a different Epiphany tradition. Instead of jumping into the water to retrieve a cross thrown by a priest, the village's women carry homemade bread on their heads while dressed in folk costumes to mark the welfare and health of their families. Only women usually take part in the procession as most of the men are working abroad. (Photo by Ognen Teolovski/Reuters)

A man pushes his rickshaw to get fuel at a fuel station in Rawalpindi January 19, 2015. Pakistan's government facing public anger over severe petrol shortages, promised on Monday the crisis that has led to long queues outside petrol stations would be solved within a week. Already frustrated by crippling electricity and gas shortages, Pakistanis have accused the government of not acting fast enough to preempt a decrease in domestic fuel supplies at a time of falling global oil prices. (Photo by Faisal Mahmood/Reuters)

Ethiopian Orthodox worshippers take part in the annual Epiphany celebrations called “Timket” in Addis Ababa January 19, 2015. “Timket” commemorates Jesus Christ's baptism in the Jordan River by John the Baptist. (Photo by Tiksa Negeri/Reuters)