File:1024px-Police notice, Tibet, 1993.jpg

Summary
By John Hill (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons https://upload.wikimedia.org/wikipedia/commons/f/f7/Police_notice%2C_Tibet%2C_1993.jpg

Originally for SSY timeline, but if anyone wants to use, please do (and remove SSY category)