A woman walks at the Boulevard of the River the eve of the International Women's Day, in Cali, Colombia, 07 March 2019. (Photo by Ernesto Guzman Jr./EPA/EFE)

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)

A Black and Tan Coonhound named Harbor has the longest ears of any living dog, with measurements of 12.25 (31,12 cm) inches for the left ear and 13.5 (34,29 cm) inches for the right. (Photo by Ryan Schude/Guinness World Records via AP)

A fragment of a Koran manuscript is seen in the library at the University of Birmingham in Britain July 22, 2015. A British university said on Wednesday that fragments of a Koran manuscript found in its library were from one of the oldest surviving copies of the Islamic text in the world, possibly written by someone who might have known Prophet Mohammad. Radiocarbon dating indicated that the parchment folios held by the University of Birmingham in central England were at least 1,370 years old, which would make them one of the earliest written forms of the Islamic holy book in existence. (Photo by Peter Nicholls/Reuters)

Shell, which is the replica of the biggest detonated Soviet nuclear bomb AN-602 (Tsar-Bomb), is on display in Moscow, Russia, August 31, 2015. The shell is part of an exhibition organized by the state nuclear corporation Rosatom. (Photo by Maxim Zmeyev/Reuters)

Hollywood actress Malin Akerman helps King Digital Entertainment set the Guinness World Record for the World's Largest Hammock to celebrate the launch of its new game Paradise Bay on Wednesday, September 2, 2015, in Jersey City, N.J. (Photo by Charles Sykes/Invision for King World Entertainment/AP Images)

A vendor prepares paan, a betel nut-based chewable stimulant at a flower market in Kolkata, India, January 18, 2016. (Photo by Rupak De Chowdhuri/Reuters)

A guest poses with a magic wand during a soft opening and media tour of “The Wizarding World of Harry Potter” theme park at the Universal Studios Hollywood in Los Angeles, California in this picture taken March 22, 2016. (Photo by Kevork Djansezian/Reuters)