I WONDER - Why Were Rainbows Important In Viking Mythology?

The video explores mythology from Viking and Hawaiian cultures. It discusses the Bifrost, a rainbow bridge in Viking mythology connecting Asgard to other realms. It also tells the story of Nu'u from Hawaiian mythology, who survived a great flood with his family. After the flood, the God Kane visited Nu'u on a rainbow bridge to explain the flood's cause.

What did the God Kane do after the flood in Hawaiian mythology?

What was the purpose of Kane's visit to Nu'u?