Lord's groundstaff check the barbed wire protection of the square ahead of the planned South Africa tour later in the summer, Lord's, March 3, 1970© PA Photos
Stop The Seventy Tour protesters outside the Grace Gates, Lord's, March, 1970© The Cricketer International
Ali Bacher is chaired from the field after the series-clinching win in Johannesburg, South Africa v Australia, 3rd Test, Johannesburg, February 24, 1970© ESPNcricinfo Ltd