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

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, 2016. According to tradition that dates back 500 years, people ride their horses through the narrow cobblestone streets of this small village to purify the animals with the smoke of the bonfires. REUTERS/Susana Vera

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, 2016. According to tradition that dates back 500 years, people ride their horses through the narrow cobblestone streets of this small village to purify the animals with the smoke of the bonfires. REUTERS/Susana Vera