Spanish Lake is a bold and unflinching documentary on 'white flight' in the area of Spanish Lake, Missouri, a post WW2 suburb.Spanish Lake is a bold and unflinching documentary on 'white flight' in the area of Spanish Lake, Missouri, a post WW2 suburb.Spanish Lake is a bold and unflinching documentary on 'white flight' in the area of Spanish Lake, Missouri, a post WW2 suburb.