A group of scantily-clad women pose for photographs at the annual Venus erotic trade fair in Berlin, Germany on 12 October 2017. Venus Berlin is among the largest international erotic trade fairs, with more then 250 exhibitions from 40 countries and 30,000 visitors. (Photo by Alamy Live News)

South Asian countries in terms of total contribution of travel and tourism to GDP. #6. Vietnam, Total GDP: USD 202.6 billion (2016). Contribution of Travel and Tourism to GDP: 9.1% . Here: A boat in the Thu Bon River, Hoi An, Vietnam. (Photo by Domingo Leiva/Getty Images)

Members of a Star Wars fan club wear costumes of movie characters as they join a midnight premiere of the new Star Wars movie “Star Wars: The Force Awakens” at a cinema in Stuttgart, Germany, late 16 December 2015 night. Numerous fans of the science fiction movie series were gathering to attend one of the midnight premiere screenings all over Germany of the latest movie of the epic series – “Star Wars: The Force Awakens”. (Photo by Nikolai Huland/EPA)

Faithful carry a boat out to sea, filled with offerings to Yemanja, the African sea goddess, during a ceremony honoring the deity in Montevideo, Uruguay, Saturday, February 2, 2013. Thousands of worshippers come to the beach in Montevideo on her feast day, February 2, bearing candles, flowers, perfumes and fruit to show their gratitude for her blessings bestowed upon them. The belief in the goddess sprouts from Umbanda, a blend of religions that include African, Catholicism and Spiritism. (Photo by Matilde Campodonico/AP Photo)

A boy poses with a butterfly on his face during a photocall to promote the “Sensational Butterflies” exhibition at the Natural History Museum in central London, on March 25, 2013. With around 400 live tropical butterflies and moths living in the temporary facility, visitors will get the chance to see them flying freely as well as looking for emerging butterflies at the hatchery window. Running from March 29 to September 15, 2013, the exhibition is housed in a structure in the museum grounds. (Photo by Leon Neal/AFP Photo)

This picture taken on September 9, 2014 shows a waiteress handing over food to customers at a prison themed restaurant in Tianjin. As more themed restaurants are popular in China, a “prison style” restaurent in Tianjin is aimed at reminding people to observe the law and to be good citizens. (Photo by Wang Zhao/AFP Photo)

A high temperature alerts were issued as a record-setting summer heat wave continued to bake most parts of south China. (Reuters)

A dog dressed as a Zoltar fortune telling machine participates in the Halloween Dog Parade in New York. (Photo by Timothy Clary/Getty Images)