Various cultures have myths explaining the origin of the rainbow, often symbolizing a bridge between realms. In many traditions, the rainbow represents a divine promise or a pathway to the afterlife. For instance, in some Native American beliefs, the rainbow is a sign of hope and a connection to the spiritual world. Similarly, in Hindu mythology, the rainbow is associated with the bow of the god Indra, symbolizing protection and the end of storms. These narratives reveal the significance of natural phenomena in shaping cultural values and beliefs.