Xu, a contributor to several Democracy Wall journals, was arrested in July 1981 and sentenced to 15 years in prison. Share this: Share on Bluesky (Opens in new window) Bluesky Share on Facebook (Opens in new window) Facebook Share on LinkedIn (Opens in new window) LinkedIn Share on X (Opens in new window) X Share on WhatsApp (Opens in new window) WhatsApp Email a link to a friend (Opens in new window) Email