In this November 18, 2015 photo, 9-year-old Mahiro Takano, center, three-time Japan karate champion in her age group practices in Nagaoka, Niigata Prefecture, north of Tokyo. Mahiro stars in singer Sia's latest music video "Alive", the just-released single from the singer's upcoming album. (Photo by Eugene Hoshiko/AP Photo)

A “scissors” dancer grabs her shoe with her mouth while performing in a national scissors dance competition in the outskirts of Lima December 1, 2013. The Danza de las tijeras, or scissors dance, is a traditional dance from the Peruvian southern region of the Andes, in which two or more performers take turns dancing while accompanied with music from a harp and a violin. Dancers would display various skills and moves, which include cutting the air with the use of a scissors. (Photo by Enrique Castro-Mendivil/Reuters)

A member of the punk group p*ssy Riot is restrained by a member of the Cossack militia in Sochi, Russia, on Wednesday, February 19, 2014. Cossack militia attacked the p*ssy Riot punk group with horsewhips on Wednesday as the group tried to perform under a sign advertising the Sochi Olympics. The group had gathered to perform in a downtown Sochi restaurant, about 30km (21miles) from where the Winter Olympics are being held.They left the restaurant wearing bright dresses and ski masks and had only been performing for a few seconds when they were set upon by Cossacks. (Photo by Morry Gash/AP Photo)