A woman poses for a picture on the rocks at the Giant's Causeway situated on the north coast of Northern Ireland. March 27, 2014. (Photo by Cathal McNaughton/Reuters)





An Astana team cyclist trains ahead of Sunday's 114th edition of the Paris-Roubaix cycling classic, in Haveluy, northern France, Thursday, April 7, 2016. (Photo by Michel Spingler/AP Photo)





A girl walks on a gas pipeline running through Okrika community near Nigeria's oil hub city of Port Harcourt, Nigeria December 4, 2012. (Photo by Akintunde Akinleye/Reuters)





A pilgrim stands as he struggles against strong wind on his way to the shrine of El Rocio in Donana National Park, southern Spain May 11, 2016. (Photo by Marcelo del Pozo/Reuters)





A woman walks across a blossoming field outside Almaty, Kazakhstan, May 12, 2016. (Photo by Shamil Zhumatov/Reuters)





A skitourer is pictured 20 March 2014, backgrounded by the Bergeller mountains, in Avers, Switzerland. (Photo by Arno Balzarini/EPA)





People visit the artwork titled Seven Magic Mountains by artist Ugo Rondinone, Wednesday, May 11, 2016, near Jean, Nev. The artwork was recently completed in the desert south of Las Vegas. (Photo by John Locher/AP Photo)





A member of the public visits Hadrian's Wall at Housesteads Roman Fort, the wall was started in AD 122 on the orders of Emperor Hadrian to keep out the Picts from Scotland on April 17, 2014 in England. (Photo by Jeff J. Mitchell/Getty Images)





General view of trackwork session at Lady Bay beach ahead of day three of the Warrnambool Racing Carnival on May 05, 2016 in Warrnambool, Victoria. Riders gallop the horses up and down the foreshore before cooling the horses in the ocean. (Photo by Vince Caligiuri/Getty Images)





A Lebanese fisherman casts his fishing pole from a rocky coastal area along the Beirut coastline in Lebanon, Tuesday, May 3, 2016. Beirut's coastline has been for thousands of years a vital source of sustenance for local residents but privatization and pollution have now made it increasingly difficult to scrape by on catches from the Mediterranean Sea. (Photo by Hassan Ammar/AP Photo)





A woman crosses a landscape covered with yellow flowers as the sun sets on a spring day in Unzue, near Pamplona, northern Spain, Thursday, April 28, 2016. (Photo by Alvaro Barrientos/AP Photo)





A Kashmiri man is reflected in a canal as he walks on the outskirts of Srinagar, India, Thursday, April 3, 2014. (Photo by Mukhtar Khan/AP Photo)





Fisherman Freddy Guenuman stands on a beach covered with shells in Cucao, on Chiloe Island, Chile, Monday, May 9, 2016. (Photo by Esteban Felix/AP Photo)





Fellowship, ridden by exercise rider Brian O'Leary, walks on the track at Pimlico Race Course in Baltimore, Friday, May 20, 2016. (Photo by Patrick Semansky/AP Photo)





A woman wearing a red hat sits in the middle of a rape flower field in Seoul, South Korea, Wednesday, May 11, 2016. The Seoul metropolitan government will hold a festival of the flower on May 14 and 15. (Photo by Ahn Young-joon/AP Photo)





People gather at a fire with the Gonzen peak (1830 meters above sea level) in the background in Balzers, Liechtenstein, 06 May 2016 (issued 07 May). (Photo by Gian Ehrenzeller/EPA)