In this photo taken Friday, December 9, 2016, young ballerinas receive instruction from Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. In a country not usually associated with classical ballet, Kenya's most promising young ballet dancer Joel Kioko has come home for Christmas from his training in the United States, to dance a solo in The Nutcracker and teach holiday classes to aspiring dancers in Kibera, the Kenyan capital's largest slum. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas practice under the instruction of Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, a young ballerina waits for Kenyan ballet dancer Joel Kioko, 16, left, to teach a class in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas receive instruction from Kenyan ballet dancer Joel Kioko, 16, right, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas gather on steps leading from the room where Kenyan ballet dancer Joel Kioko, 16, gave a class, at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas practice under the instruction of Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballet dancers sweep the room of dust prior to practicing under the instruction of Kenyan ballet dancer Joel Kioko, 16, at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas practice under the instruction of Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, young ballerinas practice under the instruction of Kenyan ballet dancer Joel Kioko, 16, left, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, Kenyan ballet dancer Joel Kioko, 16, strikes a pose as a joke as he walks through the courtyard of a school where he was teaching young dancers, in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, Kenyan ballet dancer Joel Kioko, 16, center, is helped to put on his costume by dance teacher Victor Mishael Okumu, right, before a performance of The Nutcracker in Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)





In this photo taken Friday, December 9, 2016, a young ballerina looks through the window at others practicing under the instruction of Kenyan ballet dancer Joel Kioko, 16, in a room at a school in the Kibera slum of Nairobi, Kenya. (Photo by Ben Curtis/AP Photo)