Picture of the free expression tunnel in 1970
During the Vietnam War, the Free Expression Tunnel was a popular venue for political messages (Agromeck 1970).

Picture of the Free Expression Tunnel in 1979
This photograph of the tunnel depicts a student's written opinion on the Iranian Hostage Crisis of 1979 while another student looks on (University Archives).

Picture of the Free Expression Tunnel in the 1980's
Protests voiced in the Free Expression Tunnel did not always have international implications (University Archives).
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