See more about the exhibition and Dorothea Lange's photos in the clip.

The collection includes the iconic image that goes by the name Migrant Mother.

- An incredibly large photo project, 22 photographers employed for almost a decade.

They took anywhere between 100,000-200,000 finished press photos of life in the United States over a period of time.

It counts as a national treasure in America today, says Dan Spegel about the exhibition produced by Värmland's museum.

The photo exhibition Dust & Dreams takes place September 2 - January 6, 2021.