An alligator named Muja is seen in its enclosure in Belgrade's Zoo, Serbia, August 14, 2018. Muja is officially the oldest American alligator in the world living in captivity. He was brought to Belgrade from Germany in 1937, a year after the opening of the Zoo. Muja survived three bombings of Belgrade, the Second World War and all hardships the Zoo went through. (Photo by Marko Djurica/Reuters)

Participants get ready ahead of a fashion show organized by Daspu, a fashion house founded and run by prostitutes, during the Women of the World (WOW) festival, in Rio de Janeiro, Brazil November 18, 2018. (Photo by Pilar Olivares/Reuters)

In this photo taken Monday, March 5, 2018, s*x worker Irene sits in her brothel in Juba, South Sudan. As World Women's Day is to be marked across the globe and women across much of the Western world have galvanized around the #MeToo movement, South Sudan remains a place where women face grinding difficulties and rights experts say most women remain voiceless. (Photo by AP Photo/Stringer)

Actors dressed as Santa Claus take a refreshing bath at Bellevue Beach north of Copenhagen, Denmark, on July 24, 2018, as they take part in the World Santa Congress, an annual two-day event held every summer in Copenhagen. (Photo by Mads Claus Rasmussen/AFP Photo/Ritzau Scanpix)

An Egyptian boy holds a camel at the Berqash camel market northeast of Cairo, on August 17, 2018. Muslims across the world are preparing for the Eid al-Adha holiday when custom requires the faithful to make a sacrifice. (Photo by Khaled Desouki/AFP Photo)

An Indian labourer carries a sack of plastic bottles on his head near one of the largest disposal sites in north-east India, ahead of the “World Environment Day” in Boragaon area of Guwahati on June 4, 2018. World Environment Day is marked annually on June 5, and aims at promoting awareness and action to protect the environment. (Photo by Biju Boro/AFP Photo)

“Sepak takraw or kick volleyball, is a sport native to the Malay-Thai Peninsula. Sepak takraw differs from the similar sport of volleyball in its use of a rattan ball and only allowing players to use their feet, knee, chest and head to touch the ball. It is a popular sport in Indonesia, Malaysia, Thailand, Singapore, Myanmar, Vietnam, Cambodia, Laos, and Philippines”. – Wikipedia

Photo: Hyun Ju Kim of Korea kicks over the net against Yukie Sato of Japan during the round robin match between Korea and Japan during day one of the ISTAF Sepaktakraw World Cup at Titiwangsa Stadium on July 21, 2011 in Kuala Lumpur, Malaysia. (Photo by Ryan Pierse/Getty Images for UFA Sports)

Humanoid robots compete in a group match of the 20th RoboCup in Leipzig, Germany, June 30, 2016. About 3,500 participants from 45 countries and regions compete in the robot world championship until 04 July. (Photo by Sebastian Willnow/EPA)