This photo taken Thursday, February 12, 2015, and provided by the Grand Teton National Park shows, an unusual cloud formation across the summit of the Grand Teton in this view from the park's headquarters campus at Moose, Wyoming. #

Kagome Co's employee Shigenori Suzuki appears with the newly-developed 'Wearable Tomato' device for runners during its unveiling event ahead of the weekend's Tokyo Marathon in Tokyo February 19, 2015. The eight-kilo (17.6-pound) contraption fits on a runner like a rucksack. It can distribute a total of seven medium-sized tomatoes, one by one, at the click of a button and supplies the runner with much needed nutrients during a long jog or race #

Ballerinas from The Australian Ballet perform on a floating platform, during a promotional event in front of the Sydney Opera House, February 18, 2015. The event was to promote the Australian Ballet's upcoming performance of Swan Lake opening on February 20. #

Pro-Russian rebels stationed in the eastern Ukrainian city of Gorlivka, Donetsk region, launch rockets from Grad launch vehicles on February 18, 2015. Ukrainian troops pulled out of the hotspot eastern town of Debaltseve after it was stormed by pro-Russian rebels in what the EU said was a "clear violation" of an internationally-backed truce. #

A performer from the Imperatriz Leopoldinense samba school parades on a float during carnival celebrations at the Sambadrome in Rio de Janeiro, Brazil, on February 17, 2015. #

A CSX Corp train burns after derailment in Mount Carbon, West Virginia pictured across the Kanawha River in Boomer, West Virginia, on February 16, 2015. The train hauling North Dakota crude derailed in West Virginia on Monday, setting a number of cars ablaze, destroying a house and forcing the evacuation of two towns in the second significant oil-train incident in three days. #

In this aerial photo made available by the Office of the Governor of West Virginia shows a derailed train in Mount Carbon, West Virginia, on February 17, 2015. The train carrying crude oil derailed Monday night, causing a large fire that forced hundreds of people to evacuate their homes and temporarily shutting down water treatment facilities. #

People hold candles during a memorial service is held for those killed on Saturday by a 22-year-old gunman, in Copenhagen, on February 16, 2015. Danish police said on Monday they had charged two people with aiding the man suspected of shooting dead two people in attacks on a synagogue and an event promoting free speech in Copenhagen at the weekend. The shootings, which Danish Prime Minister Helle Thorning-Schmidt called acts of terrorism, sent shockwaves through Denmark and have been compared to the January attacks in Paris by Islamist militants that killed 17. #

India's Shikhar Dhawan looks to the sky from his fielding position during sunset in their Cricket World Cup match against Pakistan in Adelaide on February 15, 2015. #

A child wears gloves on her feet as she arrives with her mother on the boat "Nos Taurus Genova" at the Sicilian harbor of Pozzallo, on February 16, 2015. Better weather since last week has encouraged migrants to make the perilous journey from North Africa, where a breakdown of order in Libya has made it almost impossible to police the traffickers who pack people onto rickety boats. #

A partially frozen American Falls in sub freezing temperatures is seen in Niagara Falls, Ontario February 17, 2015. Temperatures dropped to 6 degrees Fahrenheit (-14 Celsius) on Tuesday. #

A tourist swims with a sandbar shark on a cageless shark dive tour in Haleiwa, Hawaii, on February 16, 2015. Shark tours are a renowned form of eco-tourism in Hawaii and diving with sharks without a cage is becoming increasingly popular as well. #

The legs of third placed German team members Rene Enders (left) and Robert Forstemann (right) are pictured during the podium ceremony in the men's team sprint race at the UCI Track Cycling World Cup in Saint-Quentin-en-Yvelines, near Paris, on February 18, 2015. #

A view seen through the scope of a weapon belonging to a sniper and rebel fighter shows a building where forces loyal to Syria's President Bashar al-Assad are stationed, as seen from a rebel-controlled area in the northwestern Homs district of Al Waer, Syria, on February 18, 2015. #

Model enthusiasts gather for the Model Rail Scotland exhibition on February 19, 2015 in Glasgow, Scotland. Model railway clubs from all corners of the UK and parts of Europe will be displaying over 50 model railway layouts at this year's event held at The Scottish Exhibition Center in Glasgow from February 20th to the 22nd. #

A groom and a bride lay inside a pink coffin during their wedding ceremony at Wat Takien temple in Nonthaburi province, on the outskirts of Bangkok, on February 14, 2015. Ten Thai couples laid in the pink coffin starting 9:09AM on Saturday during the wedding ceremony organized by the Buddhist temple on Valentine's Day. Couples believe laying briefly in the coffin will get rid of bad luck and usher happiness into their lives. #

Three students from the Massachusetts Institute of Technology jokingly use mountaineering gear to make their way down from a massive snow pile on the MIT campus in Cambridge, Massachusetts, on February 18, 2015. The mountain of excess snow has been dubbed the "Alps of MIT" and is being used for climbing, sledding and posing. #

Chinese artists perform a dragon dance at a local amusement park during celebrations for the Lunar New Year on February 19, 2015 in Beijing, China. The Chinese Lunar New Year of the Sheep also known as the Spring Festival, which is based on the Lunisolar Chinese calendar, is celebrated from the first day of the first month of the lunar year and ends with Lantern Festival on the Fifteenth day. #

A child plays on a phone while sitting near the dead body of Renato Garcia, dressed in a costume of comic book character Green Lantern, at a house in San Juan, Puerto Rico, on February 16, 2015. Garcia was a fan of the Green Lantern and his family decided, with the help of a funeral home that specializes in embalming techniques, to set up a little shrine with his remains dressed up in honor of his passion for the superhero character. Garcia died of respiratory failure a week ago. #

A wounded Ukrainian soldier looks through a window as he arrives to a hospital in Artemivsk on February 18, 2015. Government forces started pulling out of a town in eastern Ukraine on Wednesday after a fierce assault by Russian-backed separatists which Europe said violated a crumbling ceasefire. #

Britain's Prince Charles (center) visits the recently constructed Lee Tunnel to mark the 150th anniversary of London's sewer network at the Abbey Mills Pumping Station in East London on February 18, 2015. #

Indian devotees travel on a ferry to Umananda, left, a river island in the Brahmaputra that houses a Shiva temple, during Shivratri festival in Gauhati, India, on February 17, 2015. Shivratri, or the night of Shiva, is dedicated to the worship of Lord Shiva, the Hindu god of destruction. #

A view of the Grasberg copper and gold mine operated by an Indonesian subsidiary of Freeport-McMoRan Inc, situated 4,285 meters above sea level, near Timika, Papua province, on February 15, 2015. #

Hindu devotees, their bodies pierced with lemon and paladai, or bowl with a spout mainly used to feed milk to infants, wait to participate in a procession to mark Shivratri, or the night of Shiva, in Chennai, India, on February 18, 2015. Such processions are held as an offering and show of devotion by devotees on the day dedicated to the worship of Lord Shiva, the Hindu god of destruction. #

Bulgarian Muslims Azim Liumankov and his bride Fikrie Bindzheva pose in front of their house during their wedding ceremony in the village of Ribnovo, in the Rhodope Mountains, on February 15, 2015. The remote mountain village of Ribnovo in southwest Bulgaria has kept its traditional winter marriage ceremony alive despite decades of Communist persecution, followed by poverty that forced many men to seek work abroad. The wedding ritual was resurrected with vigor among the Pomaks - Slavs who converted to Islam under Ottoman rule. The highlight of the ceremony is the painting of the bride's face, where in a private rite open only to female in-laws, her face is covered in thick, chalky white paint and decorated with colorful sequins. #

A Hindu holy man, or sadhu, holds a cup of tea as he walks along the premises of Pashupatinath Temple in Kathmandu on February 15, 2015. Hindu holy men from Nepal and India come to this temple to take part in the Maha Shivaratri festival. Celebrated by Hindu devotees all over the world, Shivaratri is dedicated to Lord Shiva, and holy men mark the occasion by praying, smoking marijuana or smearing their bodies with ashes. #

Children walk in the facilities of Belarus' Republican Clinic of Speleotherapy within a salt mine near the town of Soligorsk, south of Minsk, on February 19, 2015. According to the state clinic, more than 7,000 children and adults seek medical treatment for respiratory illness each year in the subsurface chambers of its facilities, located 420 meters underground between layers of potassium and stone salts in an operational salt mine. #

A trainer does exercises with Beluga whales at the temporary enclosure of an oceanarium at Russky Island in the far eastern city of Vladivostok, on February 17, 2015. Prosecutors in Primorsky Krai last week launched an investigation into the death of at least six sea animals and fish at the local oceanarium where construction was stalled as a result of a corruption scandal, local media reported. The oceanarium was supposed to be completed by the time of the Asia Pacific Economic Cooperation forum in Vladivostok in September 2012. #