北京对藏区戒备森严壁垒 (Beijing Puts Heavy Guard on Tibet Borders)
Radio France Internationale, March 21, 2012
http://www.chinese.rfi.fr/中国/20120321-北京对藏区戒备森严壁垒
甘肃藏区僧人政府门前示威 (Gansu: Tibetan Monks Demonstrate before Local Government)
Deutsche Welle, March 21, 2012
http://www.dw.de/dw/article/0,,15823689,00.html