Man-made caves in south Iceland could be from the first settlers

For the longest time, the history of Iceland has been told this way: Noble Norwegian chieftains wanted to be free of the aggressive king Haraldur Hardrada, who unified Norway with force.
Will American Scientists Solve the Mystery of the Caves at Hella?

A team of American scientists is currently working on the age determination of the caves at Ægissíða in Rangárþing ytra and their possible role in settlement of Iceland.