ATTENTION EDITORS : SPANISH LAW REQUIRES THAT FACES MINORS ARE MASKED IN PUBLICATIONS WITHIN SPAIN

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. 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. REUTERS/Marcelo del Pozo

Pilgrims are seen in a carriage on their way to the shrine of El Rocio in Donana National Park, southern Spain May 20, 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. REUTERS/Marcelo del Pozo

ATTENTION EDITORS: SPANISH LAW REQUIRES THAT THE FACES OF MINORS ARE MASKED IN PUBLICATIONS WITHIN SPAIN
A pilgrim takes pictures of her family before they start their way to the shrine of El Rocio in Sanlucar de Barrameda, southern Spain May 20, 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. REUTERS/Marcelo del Pozo TPX IMAGES OF THE DAY

Pilgrims sing and dance on their way to the shrine of El Rocio in Donana National Park, southern Spain May 20, 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. REUTERS/Marcelo del Pozo TPX IMAGES OF THE DAY

Pilgrim, Maria Jose Valencia, 38, poses for a portrait on her way to the shrine of El Rocio in Donana National Park, southern Spain May 20, 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. REUTERS/Marcelo del Pozo

Pilgrims make a stop on their way to the shrine of El Rocio in Donana National Park, southern Spain May 20, 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. REUTERS/Marcelo del Pozo

A pilgrim drinks a bottle of beer next to some friends on their way to the shrine of El Rocio in Donana National Park, southern Spain May 20, 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. REUTERS/Marcelo del Pozo

Pilgrims of La Puebla del Rio brotherhood make their way to the shrine of El Rocio in Aznalcazar, southern Spain May 21, 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. REUTERS/Marcelo del Pozo 

Pilgrims push a carriage as they cross Quema river on their way to the shrine of El Rocio in Aznalcazar, southern Spain May 21, 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. REUTERS/Marcelo del Pozo TPX IMAGES OF THE DAY

Pilgrims pray in Quema river on their way to the shrine of El Rocio in Aznalcazar, southern Spain May 21, 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. REUTERS/Marcelo del Pozo

Pilgrims en route to the shrine of El Rocio in Almonte, southern Spain May 22, 2015. Every spring hundreds of thousands of devotees converge at the shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. REUTERS/Marcelo del Pozo 

A pilgrim sleeps on a bench in the village of El Rocio in Almonte, southern Spain May 24, 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. REUTERS/Marcelo del Pozo 

Pilgrims smile as they ride a horse in front of the shrine of El Rocio in Almonte, southern Spain May 24, 2015. Every spring, hundreds of thousands of devotees converge at the shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. REUTERS/Marcelo del Pozo TPX IMAGES OF THE DAY

Pilgrims pray in front of the Virgin of El Rocio in Almonte, southern Spain May 24, 2015. Every spring, hundreds of thousands of devotees converge at the shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. REUTERS/Marcelo del Pozo 

Pilgrims light candles in the shrine of El Rocio in Almonte, southern Spain May 22, 2015. Every spring hundreds of thousands of devotees converge at the shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. REUTERS/Marcelo del Pozo 

A pilgrim holds a boy in the shrine of El Rocio in Almonte, southern Spain May 22, 2015. Every spring hundreds of thousands of devotees converge at the shrine to pay homage to the Virgin del Rocio during an annual pilgrimage which combines religious fervour and festive colour. REUTERS/Marcelo del Pozo 

Pilgrims attend an outdoor mass in the village of El Rocio in Almonte, southern Spain May 24, 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. REUTERS/Marcelo del Pozo 

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. 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. REUTERS/Marcelo del Pozo

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. REUTERS/Marcelo del Pozo

Pilgrims crowd around the Virgin of El Rocio 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. REUTERS/Marcelo del Pozo