Nearly 15 million Hindus, six times the number expected, took a dip in freezing waters seeking absolution of their sins on Monday, the first day of India's festival that could draw the world's largest single gathering of humanity.

The Maha Kumbh Mela has officially started in India, drawing millions of devotees to the holy city of Prayagraj for a 45-day festival of spiritual significance and extraordinary scale. View on euronew

Held every 12 years, 2025's Maha Kumbh mela has seen the construction of 400km of temporary roads, a 10,000-acre pop-up tent city, 150,000 toilets, three hospitals and more.

The Maha Kumbh Mela, or the Great Pitcher Festival, will bring more than 400 million people to Prayagraj city in northern India over a period of six weeks starting Monday, making it the largest gathering of humanity in the world.

Vast crowds of Hindu pilgrims in India bathed in sacred waters Monday as the Kumbh Mela festival opened, with organisers expecting 400 million people -- the largest gathering of humanity.

India began yesterday its Maha Kumbh Mela, or Great Pitcher Festival, which is expected to draw more than 400 million visitors to the northern city

the 45-day event features sacred baths, religious ceremonies, and technological innovations to ensure safety and convenience.

Maha Kumbh Mela or Great Pitcher Festival begins in India on Monday, a Hindu sacred event that will be the world's largest gathering of humanity as it showcases religion, spirituality, tourism and crowd management.

More than 400 million Hindu pilgrims are expected to take part in the biggest gathering of humanity in history - India's Maha Kumbh Mela religious festival. DW follows one couple’s spiritual journey to wash away their sins in the river Ganges.