CLOCKWISE FROM TOP LEFT
Sunrise on the Ganges River during Mauni Amavasya Snan—the primary bathing day of the Maha Kumbh Mela, a Hindu pilgrimage to the confluence of India’s three holy rivers in Allahabad.
• A sadhu performs panch agni tapas, or five-fire austerity, symbolically sacrificing himself to the fire in meditation during the Kumbh Mela in Ujjain. The intensity of the heat develops physical and mental stamina and helps draw consciousness inward. The senses become extremely sensitive, and the whole body acts like an antenna for divine energy.
• Swami Yogananda, who was 104 years old when this photo was taken, practices asana during the International Yoga Festival at Parmarth Niketan Ashram in Rishikesh. Yogananda, who passed away in 2015, claimed that the secret to longevity is fasting.