In this April 4, 2015, photo, Marilia Skraba, center, of Brazil, applies makeup while waiting to compete in the Miss Viva Las Vegas contest during the Viva Las Vegas Rockabilly Weekend in Las Vegas. The event draws thousands of people from around the world. (Photo by John Locher/AP Photo)

An Andalusian horsewoman waits for the animal to drink water before a classical dressage contest during the Sacab Andalusian Horse Show in Coin, southern Spain, April 12, 2015. (Photo by Jon Nazca/Reuters)

Visitors look at graffiti art created by Brazilian artist Image during the 3rd annual Graffiti Fine Art Biennial International exhibit, at the Pavilion of Brazilian Cultures, in Sao Paulo, Brazil, Tuesday, April 21, 2015. The month-long event features the work of more than 60 street artists, representing 11 countries. (Photo by Andre Penner/AP Photo)

Abdulahi Yaroow, 13, smokes a cigarette while chewing khat at the same time in Mogadishu August 10, 2014. Grown on plantations in the highlands of Kenya and Ethiopia, tonnes of khat, or qat, dubbed “the flower of paradise” by its users, are flown daily into Mogadishu airport, to be distributed from there in convoys of lorries to markets across Somalia. Britain, whose large ethnic Somali community sustained a lucrative demand for the leaves, banned khat from July as an illegal drug. This prohibition jolted the khat market, creating a supply glut in Somalia and pushing down prices, to the delight of the many connoisseurs of its amphetamine-like high. (Photo by Thomas Mukoya/Reuters)

Organizers of an exhibition of ancient instruments of torture in Huai'an, Jiangsu province, have suggested that children, heart disease patients and people with high blood pressure stay away because of the vivid depictions of shocking cruelty. The exhibition has more than 200 instruments of torture on display in the 50,000-square-meter exhibition halls of a restored ancient building. Wax figures, along with sound and light techniques, are incorporated for scary effect. The local government said the exhibition is for tourists and historians to research ancient torture practices. (Photo by ChinaFotoPress)

Labourers who work nearby nap on a road as cars drive past in Chongqing Municipality, July 23, 2013. (Photo by Reuters/Stringer)

The festival marks the end of the monsoon season and beginning of autumn. More than hundred girls under the age of nine gathered for the tradition of worshiping young pre-pubescent girls as manifestations of the divine female energy. The ritual holds a strong religious significance in Newar community. It is a community affair held primarily to save small girls from diseases and bad luck in the years to come. Photo: A young Nepalese girl dressed as a Kumari or living Goddess, smiles for camera as she waits for Kumari puja at Hanuman Dhoka, Basantapur Durbar Square in Katmandu, Nepal, Tuesday, September 17, 2013. (Photo by Niranjan Shrestha/AP Photo)

A man rides a motorcycle along a street in the snow in Altay, Xinjiang Uighur Autonomous region, February 9, 2016. (Photo by Reuters/Stringer)