Mythology often features secret passages representing journeys to the Underworld or hidden knowledge. Utilized in rituals focusing on transformation and rebirth. [Greek] Symbolizes the journey through life and exploration of the self.

Tunnels in folklore often represent transitions between different phases of existence and emotional states. Associated with spiritual journeys and rituals of healing. [Chinese] Embodies yin and yang principles, balancing hidden and revealed aspects of life.

Tunnels or underground passages are symbolic of the Otherworld in Celtic mythology. Involved in ceremonies that honor ancestral spirits and transformations. [Celtic] Serves as a metaphor for journeys into the subconscious.

Tunnels are sometimes depicted in myths as routes to the spirit world or places of healing. Used in ceremonies that facilitate the connection with ancestors. Acts as a bridge between the physical and spiritual realms.