Unprecedented Gathering: 1 Million Pilgrims Join Pope’s Historic Mass and Floral Procession in Spain

MADRID – A vibrant tapestry of human spirit and devotion unfolded in the heart of Madrid on Sunday as over a million faithful gathered for Pope Leo XIV’s principal Mass. The event, a cornerstone of his visit, was adorned with the breathtaking floral carpets that are quintessential to Spanish religious celebrations.

The atmosphere was electric as the crowd, filled with enthusiasm, chanted “This is the youth of the pope!” Their cheers resonated through the plaza as Pope Leo made his entrance, gracefully navigating the streets in his popemobile, greeted by throngs of well-wishers who lined up several rows deep along the barriers.

This Mass coincided with the Catholic feast of Corpus Domini, a day marked by solemn processions where a priest leads the faithful through cities and towns, bearing the Eucharist. In Spain, these processions are traditionally celebrated with intricate floral carpets, a vibrant expression of the country’s deep-rooted Catholic heritage.

Pope Leo’s weeklong visit to Spain, which commenced on Saturday, underscores his commitment to revitalize Catholic traditions and engage with the nation’s youth. His aim is to inspire a renewed sense of faith among younger generations in a country known for its secular leanings.

In a poignant moment of communion, about 600,000 young Spaniards joined Pope Leo in a vigil service on Saturday night. They knelt together in silent prayer, a powerful testament to the enduring interest and faith among Spain’s young population, despite the prevailing secular culture.

“Let me take the opportunity to tell all of you: Don’t ever be afraid of thinking about a vocation to the priesthood or religious life, or other services in the church!” Leo told the crowd.

Irati Valda and Javier Hormazal, a young couple, held up a cardboard sign announcing they are going to get married on June 13 and were ushered up close to receive Leo’s blessing during the vigil.

“To see so many young people together, it’s incredible. Half a million people in silence, this is something you will only live once,” Valda said.

A form of popular piety dating back centuries

For Sunday’s Mass and procession, local organizers said 1.2 million people had turned out on a brilliant spring morning at the central Plaza Cibeles and surrounding streets, with more trying to get in.

The tradition of laying flower carpets — and destroying them when the procession tramples them — dates back two centuries and is popular also in Latin America, where elaborate sand designs are also made. The painstaking displays are considered an offering to the Eucharist.

Poland has already had its tradition of Corpus Domini flower carpets recognized by UNESCO, and Spain’s Galicia region is trying to have its tradition listed along with other countries as part of the world’s intangible cultural heritage.

According to Spanish organizers, the 16 flower carpets decorating the half-kilometer (mile) procession route were prepared by a Spanish florists association from Galicia. Florists used more than 30,000 flowers, most the yellow and white colors of the Holy See flag, for the carpets that feature decorations such as the Holy See keys.

Wildly popular religious processions, pilgrimages and feasts continue to be held in most Spanish regions. The most recognizable are Holy Week processions during the final week of Lent where brotherhoods and robed penitents parade ornate statues of Christ and the Virgin Mary through cities, towns and villages alongside marching bands. Such processions draw the faithful as well as droves of non-believers and tourists.

Spanish towns and cities also regularly honor local patron saints with fiestas. Religious pilgrimages to local shrines mix piety with communal festivities and music. In Andalusia, the El Rocío pilgrimage fetches a million people that make a long, dusty journey over the Pentecost weekend on horseback and decorated covered wagons to venerate an icon of the Virgin Mary.

Leo arrived in Spain on Saturday and urged its people to put an end to polarization and work for unity. Later Sunday he is to meet privately with members of his Augustinian religious order and address cultural leaders.

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AP visual journalist Helena Alves contributed.

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