Morning fog embraces the Liberty Bridge over the River Danube in Budapest, Hungary, January 28, 2016. (Photo by Zoltan Balogh/EPA)





Toby, a 3 year old working cocker spaniel enjoys the blustery conditions as Storm Henry arrives at Portstewart strand on February 1, 2016 in Portrush, Northern Ireland. (Photo by Charles McQuillan/Getty Images)





A man stands on top of a hill as ice particle iridescence is seen in high-level Nacreous clouds on February 02, 2016 in Saltburn-by-the-Sea, England. The rare effect is caused by the diffraction of sunlight in the ice crystals that form the Nacreous clouds at high altitudes. (Photo by Ian Forsyth/Getty Images)





An aircraft is silhouetted against the grey sky as it flies over London, Britain January 26, 2016. (Photo by Stefan Wermuth/Reuters)





People walk their dogs along the beach after sunset in Cardiff, California January 27, 2016. (Photo by Mike Blake/Reuters)





Skyscrapers Shanghai Tower (L), Shanghai World Financial Center (top) and Jin Mao Tower (R) are seen during rain at the financial district of Pudong in Shanghai, China, January 28, 2016. (Photo by Aly Song/Reuters)





People look at huge waves crashing on the San Esteban de Pravia seafront, northern Spanish region of Asturias February 8, 2016. (Photo by Eloy Alonso/Reuters)





Flocks of geese fly at dawn along the coastline of The Wash near Snettisham in east Britain, February 12, 2016. (Photo by Toby Melville/Reuters)





Migrating cranes stand as another comes to land at the Hula Lake Ornithology and Nature Park in northern Israel February 14, 2016. The Hula Valley is a stopping point for hundreds of species of birds along their migration route between the northern and southern hemispheres and during the cold season it becomes one of the largest concentrations of cranes in the world, a spokeperson for the Jewish National Fund said. (Photo by Baz Ratner/Reuters)




In this photograph taken on January 27, 2016 an Afghan man walks with his cow during sunset in Herat. (Photo by Aref Karimi/AFP Photo)





A hot air balloon flies against a sun rise during Lucknow balloon festival in Lucknow, India, Monday, February 15, 2016. The three-day festival is to boost the tourism and generate more employment opportunities in the state of Uttar Pradesh. (Photo by Rajesh Kumar Singh/AP Photo)





Trees are reflected by excess water covering an agricultural land during sunset in the vicinity of Hosszupalyi, 235 kms east of Budapest, Hungary, 11 February 2016. Large areas are waterlogged in the region because of rainy weather. (Photo by Zoltan Balogh/EPA)





A University of New Hampshire student walks across campus as the sun sets Thursday, February 4, 2016, in Durham, N.H. (Photo by Matt Rourke/AP Photo)





A woman walks by a window wall of the MAXXI National Museum of the 20th Century Arts overlooking a residential district in Rome, Saturday, February 6, 2016. (Photo by Domenico Stinellis/AP Photo)





A couple pauses to take in the view of a colorful sunset while walking their dog in a park, Thursday, January 28, 2016, in Portland, Maine. (Photo by Robert F. Bukaty/AP Photo)





Rain drops collected on a window in Hanover, Germany, January 30, 2016. (Photo by Petter Steffen/EPA)





Mist rises as people look out on Lake Ontario during extreme cold weather in Toronto on Saturday, February 13, 2016. Environment Canada has issued extreme cold warnings for provinces from Manitoba to New Brunswick. (Photo by Mark Blinch/The Canadian Press via AP Photo)





Power lines snake across a snow covered farm field in Clarks Hill, Ind., Thursday, January 21, 2016. (Photo by Michael Conroy/AP Photo)





Clouds illuminated by the pre-dawn sun frame Joshua Trees in Pioneertown, California, in the Mojave Desert, January 25, 2016. Pioneertown, an Old West town built in 1940's for the filming of movies and TV serials, is now a popular tourist site located 21 miles (34 km)northwest of Joshua Tree National Park. (Photo by Robyn Beck/AFP Photo)





View of the Pico de Orizaba volcano at dawn, from the Izta-Popo National Park, in the central Mexican state of Puebla, on February 1, 2016. (Photo by Ronaldo Schemidt/AFP Photo)





A tree stands in a snow-covered field during sunset Friday, January 29, 2016, near Spencer, Iowa. (Photo by Jae C. Hong/AP Photo)