The Great Wall ARTIC COMPUTING / ANTARTIC June 86 BBC6 Jul86 Sources (click here for more information on the data shown below)BBC (Gallup)10WEEK to c.86-06-05PoCW p46 86-06-19144 WEEKS to c.86-06-17AcU #50 p129 Sep 86 6WEEK to c.86-07-10PoCW p46 86-07-24