It’s late evening in the city of Prayagraj and the roadside vendors selling snacks are packing up their wares to shut for the night.

Vast crowds of Hindu pilgrims in India bathed in sacred waters as the Kumbh Mela festival opened on Monday, with organisers expecting 400 million people -- the world's largest gathering of humanity -- to assemble over six weeks.India is the world's most populous nation, with 1.4 billion people, and so is used to large crowds.

Hari Om, a devotional OTT platform, offers free subscriptions at the Maha Kumbh Mela 2025. This spiritual gathering in Prayagraj highlights India's cultural heritage, drawing millions of devotees. Hari Om aims to blend tradition with modernity through its extensive devotional content available for free to attendees.

Swami Bhupender Giri, centre, Naga Sadhu of Niranjani Akhara, arrives for ritualistic dip at Sangam, the confluence of the Rivers Ganges, Yamuna and mythical Saraswati on one of the most auspicious day Makar Sankranti,

A little farther, Nagavalli Gupta reads a prayer book while her husband sits cross-legged wearing a woolen cap, wrapped in a blanket. They are from Bengaluru in the southern state of Karnataka and have been on a pilgrimage for the past two months.

Scores of naked Hindu ascetics smeared in holy ash charged into the water of holy rivers in northern India on Tuesday, dreadlocks flying, during the first 'royal bath' of the Maha Kumbh Mela, or Great Pitcher Festival.

Nearly 15 million Hindus, six times the number expected, took a dip in freezing waters seeking absolution of their sins on Monday (January 13), the first day of India's Maha Kumbh festival, according to State Chief Minister Yogi Adityanath.

Tens of thousands of naked Hindu ascetics and millions of pilgrims took dips in freezing water at the confluence of sacred rivers in northern India on Tuesday.

Thousands charge into icy waters to perform the holy dip ritual at India's Maha Kumbh Mela festival:::: Prayagraj, India:: Namrata Aggarwal, Hindi pilgrim from Gurugram:: “It’s been a life-changing experience and once-in-a-lifetime experience.