Four national leaders, including Russia's Vladimir Putin, try to find a possible peace deal for Ukraine -- even as both sides appear to be stepping up attacks in a bid to gain territory.
원문출처 : http://edition.cnn.com/2015/02/11/europe/ukraine-conflict/index.html?eref=edition
원문출처 : http://edition.cnn.com/2015/02/11/europe/ukraine-conflict/index.html?eref=edition