Tourist Police sit in the shade on a road leading to the Coptic Cairo area on May 27, 2011 in Cairo, Egypt. Protests in January and February brought an end to 30 years of autocratic rule by President Hosni Mubarak who will now face trial. Food prices have doubled and youth unemployment stands at 30%. Tourism is yet to return to pre-uprising levels. (Photo by Peter Macdiarmid/Getty Images)

A car stands in water on Ferry Road after two magnitude 6.0 and 5.5 earthquakes struck on June 13, 2011 in Christchurch, New Zealand. The aftershocks have followed four months after the major eathquake which hit the city on February 22, 2011 resulting in the deaths of 181 people. (Photo by Martin Hunter/Getty Images)

Workers at the World's Finest Chocolate company weigh what they hope will be a world record chocolate bar September 13, 2011 in Chicago, Illinois. The candy bar, weighing 12,190 pounds, standing nearly 3 feet high and measuring 21 feet long beat the previous record chocolate bar by more than a ton. (Photo by Scott Olson/Getty Images)

The London 2012 ArcelorMittal Orbit Sculpture at the Olympic park nears completion on November 4, 2011 in London, England. The Ј22 million sculpture designed by Anish Kapoor is nearly complete. Standing at 115 meters tall the permanent structure is Britain's largest artwork and houses an observation deck near the top. (Photo by Peter Macdiarmid/Getty Images)

Roof-topping enthusiast Daniel Lau takes a selfie with high-rise buildings down below as he stands on the top of a skyscraper in Hong Kong, China on August 15, 2017. A craze that began in Russia has now taken hold in Hong Kong, one of the world's most vertical cities. Mr Lau said he had been inspired by Russian climbers and that he was unafraid of the vertiginous heights he scales. (Photo by ImagineChina/Rex Features/Shutterstock)

Members of Brazil's Movimento dos Sem-Teto (Roofless Movement) stand in the hallway of one of the 11 empty buildings that the movement took over recently, in the centre of Sao Paulo, November 6, 2012. According to City Hall, there are some 400,000 people in need of stable housing, including the 4,000 families of the Roofless Movement who are squatting in abandoned or vacant buildings that range from apartment blocks to hotels, in Sao Paulo, the largest city in South America. (Photo by Nacho Doce/Reuters)

“HA Schult, born Hans-Jürgen Schult on June 24, 1939 in Parchim, Mecklenburg is a German installation, happening and conceptual artist known primarily for his object and performance art and more specifically his work with garbage”. – Wikipedia

Photo: German artist Ha Schult stands with his “trash people” below the pyramids May 15, 2002 in Giza, Egypt. Inspired by the statues of the terracotta army of Chinese Emperor Quin Shi Huangdi (247–206 B.C.), the thousand piece sulpture has stood in Red Square in Moscow, La Defense in Paris and the Great Wall in China. Schult, born in 1939 wants to bring the “trash war” to the world's attention beause trash is the greatest battle facing mankind. (Photo by Norbert Schiller/Getty Images)

“Mr. Brainwash (“MBW”) is a pseudonym for Thierry Guetta. According to the Banksy directed film Exit Through the Gift Shop, Guetta is a French citizen who now lives in Los Angeles, having been a proprietor of a clothing store and videographer who evolved into a street artist and gallery artist, influenced by the street artists he documented through video over the years. According to the film, Guetta was first introduced to street art by his cousin, the French street artist, Invader”. – Wikipedia

Photo: Artist Mr. Brainwash stands with his paintings “The Queen” (R) and “Kate Moss” at the Opera Gallery on October 3, 2011 in London, England. Works by pop artist and film maker Thierry Guetta, known as Mr. Brainwash, are on display at the gallery from October 6th to 31st, 2011. (Photo by Peter Macdiarmid/Getty Images)