An Oakland Raiders cheerleader performs during an NFL preseason football game against the Detroit Lions in Oakland, Calif., Friday, August 15, 2014. (Photo by Marcio Jose Sanchez/AP Photo)
Activists dismantle Ukraine's biggest monument to Lenin at a pro-Ukrainian rally in the central square of the eastern city of Kharkiv, Ukraine, Sunday, September 28, 2014. (Photo by Igor Chekachkov/AP Photo)
This September 22, 2014 photo, shows a building with street art murals in the Santurce neighborhood in San Juan, Puerto Rico. (Photo by Ricardo Arduengo/AP Photo)
Muslim pilgrims pray around the holy Kaaba at the Grand Mosque, during the annual haj pilgrimage in Mecca September 30, 2014. (Photo by Muhammad Hamed/Reuters)
Executive producer Dave Alpert attends the season five premiere of “The Walking Dead” at AMC Universal Citywalk on Thursday, October 2, 2014, in Universal City, Calif. (Photo by John Shearer/Invision for AMC/AP Images)
A man dressed as zombie takes part in a zombie race to raise funds for children with cancer at the child Hospital Manuel de Jesus Rivera in Managua October 19, 2014. (Photo by Oswaldo Rivas/Reuters)
Wingsuit flyer contestant Melissa Pemberton of the U.S. jumps off a mountain at Tianmen Mountain National Park in Zhangjiajie, Hunan province October 19, 2014. (Photo by Reuters/China Daily)
Participants wearing costumes walk along a main street during a Halloween Parade in Marikina city, east of Manila, Philippines, on October 30, 2014. (Photo by Romeo Ranoco/Reuters)