A racegoer flashes her undies in front of the racing crowd during Caulfield Cup Day at Caulfield Racecourse on October 21, 2017 in Melbourne, Australia. (Photo by Splash News and Pictures)
Students from St Andrews University indulge in a tradition of covering themselves with foam to honour the “academic family” on the lower college lawn on October 23, 2017, in St Andrews, Scotland. (Photo by Jeff J. Mitchell/Getty Images)
A Hindu devotee lies on a road as she worships the Sun god during the religious festival of Chhath Puja in Kolkata, India October 26, 2017. (Photo by Rupak De Chowdhuri/Reuters)
Models present creations of the label Mas Holdings during the Mercedes-Benz Fashion Week at Grandpass in Colombo, Sri Lanka, 28 October 2017. (Photo by M.A. Pushpa Kumara/EPA/EFE)
North Korean traffic police women chat next to a residential building while off duty Tuesday, October 18, 2016, in Pyongyang, North Korea. (Photo by Wong Maye-E/AP Photo)
A participant performs during the Perfect Pole 2016 pole dance championship in the southern city of Stavropol, Russia, October 22, 2016. (Photo by Eduard Korniyenko/Reuters)
A reveller takes part with her dogs in the annual halloween dog parade at Manhattan’s Tompkins Square Park in New York, U.S. October 22, 2016. (Photo by Eduardo Munoz/Reuters)
A model presents a creation for the Amir Slama collection during Sao Paulo Fashion Week in Sao Paulo, Brazil, October 26, 2016. (Photo by Nacho Doce/Reuters)