Hmong immigrants helped save this prairie town, but now their children are leaving

Women wear black shirts and colorful skirts as they sing on stage.
Members of the Agape Hmong Alliance Church women's choir perform on July 27, 2019, during the church's open house celebration in Walnut Grove, Minn. The church, which was originally located in Tracy, Minn., currently serves more than 200 members.
Christine T. Nguyen | MPR News