A man rides a horse through a bonfire during “Las Luminarias” Festival on January 16, 2017 in San Bartolome de Pinares, Spain. In honor of Saint Anthony the Abbot, the patron saint of animals, horses are ridden through the bonfires on the night before the official day of honoring animals in Spain. The tradition, which is hundreds of years old, is meant to purify and protect the animal in the coming year. (Photo by Pablo Blazquez Dominguez/Getty Images)





A rider jumps through a bonfire at the “Luminarias” in San Bartolome de Pinares, Avila, Spain, January 16, 2017. Bonfires are placed on the village streets, continuing a more than two centuries tradition which aims to purify the animals. (Photo by Raul Sanchidrian/EPA)





A man rides a horse through the flames during the “Luminarias” annual religious celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Sergio Perez/Reuters)





A man rides a horse through flames during the annual “Luminarias” celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Paul Hanna/Reuters)





A man rides a horse through flames during the annual “Luminarias” celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Paul Hanna/Reuters)





A man rides a horse through flames during the annual “Luminarias” celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Paul Hanna/Reuters)





A man rides a horse through flames during the annual “Luminarias” celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Paul Hanna/Reuters)





A man rides a horse through flames during the annual “Luminarias” celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Paul Hanna/Reuters)





A man rides a horse through the flames during the “Luminarias” annual religious celebration on the eve of Saint Anthony's day, Spain's patron saint of animals, in the village of San Bartolome de Pinares, northwest of Madrid, Spain, January 16, 2017. (Photo by Sergio Perez/Reuters)





A horse is riden through a bonfire on January 16, 2017 in the small village of San Bartolome de Pinares, Spain. (Photo by Juan Carlos Rojas/NOTIMEX)





A man rides a horse through a bonfire during “Las Luminarias” Festival on January 16, 2017 in San Bartolome de Pinares, Spain. (Photo by Pablo Blazquez Dominguez/Getty Images)





A horseman drinks before jumping over a bonfire in the village of San Bartolome de Pinares in the province of Avila, Castile and Leon in central Spain, during the opening of the traditional religious festival “Luminarias” in honour of San Antonio Abad (Saint Anthony), patron saint of animals, on January 16, 2017. (Photo by Pierre-Philippe Marcou/AFP Photo)





A man rides a horse through a bonfire during “Las Luminarias” Festival on January 16, 2017 in San Bartolome de Pinares, Spain. (Photo by Pablo Blazquez Dominguez/Getty Images)