A protester takes cover behind a garbage bin as posters of Sheik Ali Salman, head of Bahrain's main opposition party Al Wefaq, are seen on a wall during clashes in the village of Bilad Al Qadeem, south of Manama January 20, 2015. Protesters clashed with riot police demanding for the release of Bahraini opposition leader Sheik Ali Salman. Sheik Salman, head of the al-Wefaq Islamic Society was arrested on December 28, 2014 after leading a protest rally against elections in November which his party boycotted. (Photo by Hamad I. Mohammed/Reuters)

Locals run with items from a shop believed to be owned by a foreigner, in Soweto January 22, 2015. Local media reported that violence broke out on Monday after a 14-year-old South African was allegedly shot dead by a foreign shop owner. (Photo by Siphiwe Sibeko/Reuters)

Policemen set up a cordoned area as people look on at the seawall on the San Lorenzo beach in Gijon, northern Spain, January 22, 2015. (Photo by Eloy Alonso/Reuters)

Glow-in-the-dark blue waves caused by the phenomenon known as harmful algal bloom or “red tide”, are seen at night near Sam Mun Tsai beach in Hong Kong January 22, 2015. Algal blooms occur when there is a sharp growth in algae population in a water system, and are considered harmful when resulting in negative impacts on other organisms. Picture taken using long exposure. (Photo by Tyrone Siu/Reuters)

This Thursday, January 22, 2015 photo made with a long exposure shows the glow from a Noctiluca scintillans algal bloom along the seashore in Hong Kong. The luminescence, also called Sea Sparkle, is triggered by farm pollution that can be devastating to marine life and local fisheries, according to University of Georgia oceanographer Samantha Joye. Noctiluca itself does not produce neurotoxins like other similar organisms do. But its role as both prey and predator tends can eventually magnify the accumulation of toxins in the food chain, according to R. Eugene Turner at Louisiana State University. (Photo by Kin Cheung/AP Photo)

Glow-in-the-dark blue waves caused by the phenomenon known as harmful algal bloom or “red tide”, are seen at night near Sam Mun Tsai beach in Hong Kong January 22, 2015. (Photo by Tyrone Siu/Reuters)

This Thursday, January 22, 2015 photo made with a long exposure shows the glow from a Noctiluca scintillans algal bloom along the seashore in Hong Kong. (Photo by Kin Cheung/AP Photo)

Ron Pratte's General Motors Futurliner was sold to Rick Hendrick Owner of Hendrick Motorsports for $4,000,000 Saturday, January 17, 2015 at the Barrett-Jackson auction in Scottsdale, Ariz. Proceeds will benefit the Armed Forces Foundation as well as over $600,000 that was raised in donations. (Photo by David Kadlubowski/AP Photo/The Arizona Republic)

A 1950's era General Motors Futurliner is shown at the press day for the Washington Auto Show in Washington January 22, 2015. A small fleet of Futurliners would travel across the United States to serve as display vehicles for upcoming GM automotive products. A Futurliner sold for $4 million (US$) last week at the Barrett-Jackson auction in Arizona. (Photo by Gary Cameron/Reuters)

Muslim devotees wash on the last day of the annual Bishwa Ijtema on January 18, 2015 in Tongi, Bangladesh. The Bishwa Ijtema is the second largest gathering of Muslims in the world, after the Hajj, and is organized by World Tablig Council, which preaches teachings of Islam and prophet Mohammad. (Photo by Allison Joyce/Getty Images)

Jaiya Smith carries a sign down the aisle during a service honoring Rev. Martin Luther King Jr. at Ebenezer Baptist Church, where King preached, Monday, January 19, 2015, in Atlanta. (Photo by David Goldman/AP Photo)

Steam rises from a power plant behind the Moskva River as tourists walk along the Red Square with St. Basil's Cathedral, at left, in Moscow, Russia, Thursday, January 22, 2014. The structure at right is the Spassky Tower, which is currently being renovated. (Photo by Alexander Zemlianichenko/AP Photo)

A woman named Yu Fei pole dances at a park in cold weather on January 19, 2015 in Changchun, Jilin province of China. Yu Fei, 26, who has practiced pole dancing for 6 years performs pole dancing in a public park to try to help promote the activity. (Photo by ChinaFotoPress/ChinaFotoPress via Getty Images)

People watch a woman perform a pole dance in subzero temperature at a park in Changchun, Jilin province, January 19, 2015. (Photo by Reuters/Stringer)

Indian Army soldiers during a dress rehearsal in preparation for the annual Republic Day Parade on January 21. 2014. (Photo by Chine Nouvelle/SIPA Press)

A demonstrator hits riot police as women hang an Argentine flag on a barrier during a protest sparked by the death of special prosecutor Alberto Nisman outside the government house in Plaza de Mayo in Buenos Aires, Argentina, Monday, January 19, 2015. Nisman, who had been investigating the 1994 bombing of the AMIA Jewish community center in Buenos Aires that killed 85 people and who accused President Cristina Fernandez of shielding Iranian suspects, was found dead with a gunshot to his head in the bathroom of his apartment late Sunday, hours before he was to testify in a Congressional hearing about the case. (Photo by Rodrigo Abd/AP Photo)

An Indian artist reacts to the camera while performing “Raas Leela”, or a dance that reenacts important scenes between Hindu God Krishna and cow-herd girls, inside a Hindu holy man's camp at Sangam, the confluence of the Rivers Ganges, Yamuna and mythical Saraswati during the annual traditional fair of “Magh Mela” in Allahabad, India, Sunday, January 18, 2015. Hundreds of thousands of devout Hindus are expected to take holy dips at the confluence during the astronomically auspicious period of over 45 days celebrated as Magh Mela. (Photo by Rajesh Kumar Singh/AP Photo)

The “Patrouille Suisse” and the Airbus A320 of the Swiss International Airline perform during an airshow prior to the men's downhill race at the FIS Alpine Ski World Cup in Wengen, Switzerland, Sunday, January 18, 2015. (Photo by Peter Klaunzer/AP Photo/Keystone)

DR Congo’s soccer fan painted in his national colors gestures during the African Cup of Nations Group B soccer match between DR Congo and Zambia in Ebebiyin, Equatorial Guinea, Sunday, January 18, 2015. (Photo by Themba Hadebe/AP Photo)

A Ghana soccer supporter gestures during the African Cup of Nations Group C soccer match between Ghana and Senegal, in Mongomo, Equatorial Guinea, Monday, January 19, 2015. (Photo by Themba Hadebe/AP Photo)

A fan of Burkina Faso listens to the national anthem before the start of the team's Group A soccer match against Equatorial Guinea at the African Cup of Nations in Bata January 21, 2015. (Photo by Amr Abdallah Dalsh/Reuters)

A Burkina Fass soccer fan watches the African Cup of Nations Group A soccer match between Equatorial Guinea and Burkina Faso in Bata, Equatorial Guinea, Wednesday, January 21, 2015. (Photo by Themba Hadebe/AP Photo)

South Korean police SWAT team members move into a building during an anti-terror drill in Seoul on January 21, 2015. Inter-Korean tension remains high ahead of a joint US-South Korea military exercise, set for March, which has been denounced by North Korea as a rehearsal for nuclear war. (Photo by Jung Yeon-Je/AFP Photo)

A women touches a fragment of Chelyabinsk meteorite with an approx. size of 30 by 40 cm and weighing about 8 kg at the Russian Geographical Society in Moscow, Russia 21 January 2015. The famous meteorite fragment of the Chelyabinsk meteor that reached the ground in the Russian Ural region in 2013 has been delivered to be presented at the Primordial Russia nature festival organized by the Russian Federation Council and the Russian Geographical Society. The festival runs in Moscow from 23 January to 22 February. (Photo by Yuri Kochetkov/EPA)

Alexander, 35, looks through a broken window of his flat, hit by Ukrainian Army Artillery, in the Voroshilovsky area, center of Donetsk, Ukraine. Sunday, January 18, 2015. The separatist stronghold, Donetsk, was shaken by intense outgoing and incoming artillery fire as a bitter battle raged for control over the city's airport. Streets in the city, which was home to 1 million people before unrest erupted in spring, were completely deserted and the windows of apartments in the center rattled from incessant rocket and mortar fire. (Photo by Manu Brabo/AP Photo)

Spain's Queralt Castellet celebrates her second place at the snowboard half pipe final event at the Freestyle Ski and Snowboard World Championships in Kreischberg, Austria, Saturday, January 17, 2015. (Photo by Darko Bandic/AP Photo)

A mahout brings grass for his elephants in the Kaziranga National Park about 230km away from Guwahati city, India, January 22, 2015. (Photo by EPA/Stringer)

Muslim devotees arrive to Tongi on the last day of the annual Bishwa Ijtema on January 18, 2015 in Tongi, Bangladesh. The Bishwa Ijtema is the second largest gathering of Muslims in the world, after the Hajj, and is organized by World Tablig Council, which preaches teachings of Islam and prophet Mohammad. (Photo by Allison Joyce/Getty Images)

Divers pose with an Australian flag during Australia Day underwater party at SEA LIFE Sydney Aquarium on January 20, 2015 in Sydney, Australia. (Photo by Mark Metcalfe/Getty Images)

A sculpted face collects snow and water along the Metropolitan Branch trail in northeast as a winter storm begins on January, 21, 2015 in Washington, DC. (Photo by Bill O'Leary/The Washington Post)

U.S. first lady Michelle Obama greets local school children after reading a Dr. Seuss book to them in the East Room of the White House on January 21, 2015 in Washington, DC. As part of the “Let's Read, Let's Move” initiative, the first lady read “Oh The Things You Can Do That Are Good For You” and danced and exercised with the children. (Photo by Win McNamee/Getty Images)

Greek Presidential Guard soldiers perform their duties in front of the the Greek Tomb of the Unknown Soldier beneath the Hellenic Parliament which is home to the Greek parliament ahead of this weekend general election on January 21, 2015 in Athens, Greece. According to the latest opinion polls, the left-wing Syriza party are poised to defeat Prime Minister Antonis Samaras' conservative New Democracy party in the election, which will take place on Sunday. European leaders fear that Greece could abandon the Euro, write off some of its national debt and put an end to the country's austerity by renogotiating the terms of its bailout if the radical Syriza party comes to power. Greece's potential withdrawal from the eurozone has become known as the “Grexit”. (Photo by Matt Cardy/Getty Images)

Film producer Ana Paula, left, disability rights advocate Natache, center, and contemporary dancer Karla Klemente join a demonstration on Ipanema beach in support of the rights of women to go topless on beaches nationwide, in Rio de Janeiro, Brazil, Tuesday, January 20, 2015. Under Brazil's penal code which dates back to the 1940's, female toplessness is an “obscene act” punishable by three months to a year in prison, or fines. (Photo by Silvia Izquierdo/AP Photo)

Contemporary dancer Karla Klemente poses for photos during a demonstration on Ipanema beach in support of the rights of women to go topless on beaches nationwide, in Rio de Janeiro, Brazil, Tuesday, January 20, 2015. (Photo by Silvia Izquierdo/AP Photo)

Fidel Maldonado Jr., left, reacts after sending Amir Imam to the mat during their boxing bout Saturday, January 17, 2015, in Las Vegas. Imam won when the fight was stopped in the fifth round. (Photo by Isaac Brekken/AP Photo)