A mahout rides an elephant at Tad Sae Waterfall outside Luang Prabang, Laos July 31, 2016. Protected by the United Nations cultural heritage agency UNESCO, Luang Prabang is one of the most alluring places in the region – a city that evokes old-world romance that has gained a reputation as a travellers' Shangri La. (Photo by Jorge Silva/Reuters)

Budgies feed on seeds from a local visitor's hands at Ocean Park in metro Manila, Philippines September 10, 2016. (Photo by Romeo Ranoco/Reuters)

Children in a Hong Kong refugee resettlement area watch as former Vice President Richard Nixon shows them his badminton service. Nixon visited Hong Kong, April 4, 1964, during his tour of countries in the Far East. (Photo by AP Photo)

Participants of the annual “SlutWalk” march through the Israeli Mediterranean coastal city of Tel Aviv on May 4, 2018 to protest against rape culture, including sexual assault and harassment directed at women. The campaign, which has gained international notoriety, was inspired by group of Canadian women who launched the protest in 2011 in response to a policeman' s comment that if women want to avoid being attacked they should not dress like sl*ts. (Photo by Jack Guez/AFP Photo)

An OV-10 Bronco aircraft, decorated with World War One commemoration motifs, flies over Flanders international airport, ahead of the world's first Short Take Off & Landing competition on sand, in Wevelgem, Belgium May 8, 2018. (Photo by Francois Lenoir/Reuters)

Peter Stringfellow, 1994. He was an English businessman and nightclub owner. Stringfellow started in the nighttime trade in the early 1960s and recalled booking acts including The Beatles, The Kinks and Jimi Hendrix to play at his clubs. Peter Stringfellow has died aged 77 on June 7, 2018. (Photo by Rex Features/Shutterstock)

Pablo Picasso, famed 66-year-old Spanish artist who has lived most of his life in France, suns himself on a boat on the beach at Golfe Juan in Vallauris on the French Riviera on March 10, 1948. Entering a new period in his varied artistic career, Picasso has turned to painting pottery at the nearby town of Vallauris. (Photo by AP Photo)

In this Thursday, July 19, 2018, photo, a Syrian shopkeeper spraying water as waits for customers at the Hamadiyah market, named after the 34th Sultan of the Ottoman Empire Abdul Hamid II, in the Old City of Damascus, Syria. The celebratory mood in government-controlled areas stems from successive military advances in the past year and an impression that President Bashar Assad, with massive support by unwavering allies Russia and Iran, has won the war or at least militarily defeated the opposition trying to topple him. (Photo by Hassan Ammar/AP Photo)