Race Riots U.S.A. pic: 1967. Detroit, Michigan. A huge pall of smoke pours from a burning building during race riots in the city. [Getty Images]

Race Riots, U,S,A, pic: 1967, Detroit, Michigan, A huge pall of smoke pours from a burning building during race riots in the city (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)

Popperfoto Rolls Press/Popperfoto