Kent Josephso organizes his 8mm tracer rounds during the Big Sandy Shoot in Mohave County, Arizona March 23, 2013. The Big Sandy Shoot is the largest organized machine gun shoot in the United States attended by shooters from around the country. Vintage and replica style machine guns and cannons are some of the weapons displayed during the event. Picture taken March 22, 2013. (Photo by Joshua Lott/Reuters)

Men stroll past roadside vendors as a painted truck makes its way through the busy street in Kabul, Afghanistan, November, 1961. (Photo by Henry S. Bradsher/AP Photo via The Atlantic)

Eurovision fans from Sweden kiss in front of the Globen Arena prior the first the Eurovision Song Contest final in Stockholm, Sweden, Saturday, May 14, 2016. (Photo by Martin Meissner/AP Photo)

Thorsten Mowes has a more intimate knowledge of the worlds most famous monuments than perhaps anyone else on the planet – because hes spent his entire career cleaning them. As a cultural cleaning expert with nearly 25 years experience, he has been commissioned to make wonders all over the world shine like new – from the London Eye to Christ the Redeemer. The places he has been to, stood on top of, or even hung halfway down include Mount Rushmore and the Space Needle in America, the London Eye, the Statue of Christ in Brazil and the Forbidden City in China. Here: A man cleans a part of Mount Rushmore. (Photo by Caters News Agency)

Just a week before Rio de Janeiro hosts South America's first Olympics, city residents expressed mixed feelings about the cost and security of the Games, while holding out hope they will bring joy to a nation facing economic and political crises. The conflicted thoughts mirror a recent survey by the Datafolha polling group showing that half of Brazilians were opposed to holding the Games, while 63 percent think the costs of hosting the event will outweigh benefits. (Photo by Pilar Olivares/Reuters)

This undated photo provided by the U.S. Fish and Wildlife Service shows two island foxes in Channel Islands National Park, Calif. Three fox subspecies native to California's Channel Islands were removed from the list of endangered species Thursday, August 11, 2016, in what federal officials have called the fastest recovery of any mammal listed under the Endangered Species Act. (Photo by Chuck Graham/U.S. Fish and Wildlife Service via AP Photo)

Participants stretch their bodies as they pose for pictures before the Beijing International Marathon in Beijing, China, September 20, 2015. About 30,000 runners participated in the annual running event. (Photo by Kim Kyung-Hoon/Reuters)

A soldier from the African Union (AU) peacekeeping force stands guard at the site where a cargo plane carrying supplies for AU troops crash-landed outside Somalia's capital, on October 13, 2015 at Abirska, some 18 kilometres outside Somalian capital, Mogadishu. The officials said the Egyptian-owned transport plane went down after making several unsuccessful passes over the seafront airport. Two of the six crew members suffered light injuries in the crash, the officials said, but added that the plane and those on board were safe having landed in an area controlled by the Somali government and the African Union's AMISOM force. (Photo by Mohamed Abdiwahab/AFP Photo)