What are the origins of the fire tunnel ritual and its significance in spiritual practices?

The fire tunnel ritual has its origins in various indigenous and spiritual traditions around the world. It is often used as a form of purification and transformation, where participants walk through a tunnel of fire or smoke to release negative energy and connect with the spiritual realm. The ritual is significant in spiritual practices as it is believed to cleanse the mind, body, and spirit, and facilitate a deeper connection with the divine or higher power.