Edward Snowden Christmas message: End mass surveillance
斯诺登发表圣诞致词呼吁结束大规模监控
British Broadcasting Corporation, December 25, 2013
EN: http://www.bbc.co.uk/news/world-us-canada-25516081
CH: http://www.bbc.co.uk/zhongwen/simp/world/2013/12/131225_snowden_xmas_speech.shtml