China tightens its control over the internet, blocking access to workaround sites once used by many. CNN's David McKenzie reports.
원문출처 : http://edition.cnn.com/video/data/2.0/video/tv/2015/02/03/pkg-mckenzie-china-great-firewall.cnn.html?eref=edition
원문출처 : http://edition.cnn.com/video/data/2.0/video/tv/2015/02/03/pkg-mckenzie-china-great-firewall.cnn.html?eref=edition