A model who poses for tips wearing body paint and underwear poses for a portrait in Times Square in New York, August 19, 2015. She declined to give her name. New York officials including Governor Andrew Cuomo are considering measures to curtail the activity, according to local media. (Photo by Carlo Allegri/Reuters)

Attendees at Wizard World Comic Con walk through hallways in Chicago, Illinois, United States, August 22, 2015. (Photo by Jim Young/Reuters)

Revellers take part in a Zombie Walk in Asbury Park, New Jersey October 4, 2014. Thousands of revellers met in Asbury park to attempt to break the Guinness World Record of the largest zombie gathering in the world and raise awareness for brain cancer. (Photo by Eduardo Munoz/Reuters)

The summit of one of Europe's tallest mountains glows like the flame of a candle as the sun rises on a clear morning. The Matterhorn, famous for appearing on bars of Toblerone chocolate bars, reflects the vivid orange light at 5.37am. (Photo by Margarethe Jaeger/Solent News & Photo Agency)

Members of the Barrio 18 gang run upon their arrival to the San Francisco Gotera penitentiary April 21, 2015. The Salvadoran goverment transfered 1,177 inmates, members of the Barrio 18 gang from Izalco jail to San Francisco Gotera in a effort to curb gang violence activity, according to local media. (Photo by Jose Cabezas/Reuters)

A Tibetan girl reacts as she gets ready to perform in a function organised to mark “Losar” or the Tibetan New Year in Kathmandu, Nepal, February 11, 2016. (Photo by Navesh Chitrakar/Reuters)

Graffiti saying “justice” partially seen above flood waters in Asuncion, December 27, 2015. More than 100,000 people have had to evacuate from their homes in the bordering areas of Paraguay, Uruguay, Brazil and Argentina due to severe flooding in the wake of heavy summer rains brought on by El Nino, authorities said on Saturday. (Photo by Jorge Adorno/Reuters)