The Virgin of El Rocio is carried by pilgrims during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. Every spring hundreds of thousands of devotees converge at a shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. (Photo by Marcelo del Pozo/Reuters)

Pilgrims crowd around the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

Pilgrims carry a girl to touch the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

The Virgin of El Rocio is carried by pilgrims during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

The Virgin of El Rocio is carried by pilgrims during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

Pilgrims crowd around the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

Pilgrims crowd around the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

Pilgrims carry a girl to touch the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

A girl wearing a rociera dress is carried over shoulders of a man during Virgin of El Rocio procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

A pilgrim sits over the shoulders of a man as they watch the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

The Virgin of El Rocio is carried by pilgrims during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)

Pilgrims crowd around the Virgin of El Rocio during a procession around the shrine of El Rocio in Almonte, southern Spain, May 25, 2015. (Photo by Marcelo del Pozo/Reuters)